Five-year institutional bibliometric profiles for 103 US neurosurgical residency programs

Douglas R. Taylor, Garrett T. Venable, G. Morgan Jones, Jacob R. Lepard, Mallory L. Roberts, Nabil Saleh, Said K. Sidiqi, Andrew Moore, Nickalus Khan, Nathan R. Selden, Lattimore Michael, Paul Klimo

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

OBJECT?Various bibliometric indices based on the citations accumulated by scholarly articles, incluDing the h-index, g-index, e-index, and Google's i10-index, may be used to evaluate academic productivity in neurological surgery. The present article provides a comprehensive assessment of recent academic publishing output from 103 US neurosurgical residency programs and investigates intradepartmental publishing equality among faculty members. Methods Each institution was considered a single entity, with the 5-year academic yield of every neurosurgical faculty member compiled to compute the following indices: ih(5), cumulative h, ig(5), ie(5), and i10(5) (based on publications and citations from 2009 through 2013). Intradepartmental comparison of productivity among faculty members yielded Gini coefficients for publications and citations. National and regional comparisons, institutional rankings, and intradepartmental publishing equality measures are presented. Results The median numbers of departmental faculty, total publications and citations, ih(5), summed h, ig(5), ie(5), i10(5), and Gini coefficients for publications and citations were 13, 82, 716, 12, 144, 23, 16, 17, 0.57, and 0.71, respectively. The top 5 most academically productive neurosurgical programs based on ih(5)-index were University of California, San Francisco, University of California, Los Angeles, University of Pittsburgh, Brigham & Women's Hospital, and Johns Hopkins University. The Western US region was most academically productive and displayed greater intradepartmental publishing equality (median ih[5]-index = 18, median Ginipub = 0.56). In all regions, large departments with relative intradepartmental publishing equality tend to be the most academically productive. Multivariable logistic regression analysis identified the ih(5)-index as the only independent predictor of intradepartmental publishing equality (Ginipub ? 0.5 [OR 1.20, 95% CI 1.20-1.40, p = 0.03]). Con clusion s The ih(5)-index is a novel, simple, and intuitive metric capable of accurately comparing the recent scholarly efforts of neurosurgical programs and accurately predicting intradepartmental publication equality. The ih(5)-index is relatively insensitive to factors such as isolated highly productive and/or no longer academically active senior faculty, which tend to distort other bibliometric indices and mask the accurate identification of currently productive academic environments. Institutional ranking by ih(5)-index may provide information of use to faculty and trainee applicants, research funDing institutions, program leaders, and other stakeholders.

Original languageEnglish (US)
Pages (from-to)547-560
Number of pages14
JournalJournal of neurosurgery
Volume123
Issue number3
DOIs
StatePublished - Sep 1 2015

Fingerprint

Bibliometrics
Internship and Residency
Publications
San Francisco
Los Angeles
Masks
Logistic Models
Regression Analysis
Research

All Science Journal Classification (ASJC) codes

  • Surgery
  • Clinical Neurology

Cite this

Taylor, D. R., Venable, G. T., Jones, G. M., Lepard, J. R., Roberts, M. L., Saleh, N., ... Klimo, P. (2015). Five-year institutional bibliometric profiles for 103 US neurosurgical residency programs. Journal of neurosurgery, 123(3), 547-560. https://doi.org/10.3171/2014.10.JNS141025

Five-year institutional bibliometric profiles for 103 US neurosurgical residency programs. / Taylor, Douglas R.; Venable, Garrett T.; Jones, G. Morgan; Lepard, Jacob R.; Roberts, Mallory L.; Saleh, Nabil; Sidiqi, Said K.; Moore, Andrew; Khan, Nickalus; Selden, Nathan R.; Michael, Lattimore; Klimo, Paul.

In: Journal of neurosurgery, Vol. 123, No. 3, 01.09.2015, p. 547-560.

Research output: Contribution to journalArticle

Taylor, DR, Venable, GT, Jones, GM, Lepard, JR, Roberts, ML, Saleh, N, Sidiqi, SK, Moore, A, Khan, N, Selden, NR, Michael, L & Klimo, P 2015, 'Five-year institutional bibliometric profiles for 103 US neurosurgical residency programs', Journal of neurosurgery, vol. 123, no. 3, pp. 547-560. https://doi.org/10.3171/2014.10.JNS141025
Taylor DR, Venable GT, Jones GM, Lepard JR, Roberts ML, Saleh N et al. Five-year institutional bibliometric profiles for 103 US neurosurgical residency programs. Journal of neurosurgery. 2015 Sep 1;123(3):547-560. https://doi.org/10.3171/2014.10.JNS141025
Taylor, Douglas R. ; Venable, Garrett T. ; Jones, G. Morgan ; Lepard, Jacob R. ; Roberts, Mallory L. ; Saleh, Nabil ; Sidiqi, Said K. ; Moore, Andrew ; Khan, Nickalus ; Selden, Nathan R. ; Michael, Lattimore ; Klimo, Paul. / Five-year institutional bibliometric profiles for 103 US neurosurgical residency programs. In: Journal of neurosurgery. 2015 ; Vol. 123, No. 3. pp. 547-560.
@article{ba65e534aef04639a4cca4a83ae1a560,
title = "Five-year institutional bibliometric profiles for 103 US neurosurgical residency programs",
abstract = "OBJECT?Various bibliometric indices based on the citations accumulated by scholarly articles, incluDing the h-index, g-index, e-index, and Google's i10-index, may be used to evaluate academic productivity in neurological surgery. The present article provides a comprehensive assessment of recent academic publishing output from 103 US neurosurgical residency programs and investigates intradepartmental publishing equality among faculty members. Methods Each institution was considered a single entity, with the 5-year academic yield of every neurosurgical faculty member compiled to compute the following indices: ih(5), cumulative h, ig(5), ie(5), and i10(5) (based on publications and citations from 2009 through 2013). Intradepartmental comparison of productivity among faculty members yielded Gini coefficients for publications and citations. National and regional comparisons, institutional rankings, and intradepartmental publishing equality measures are presented. Results The median numbers of departmental faculty, total publications and citations, ih(5), summed h, ig(5), ie(5), i10(5), and Gini coefficients for publications and citations were 13, 82, 716, 12, 144, 23, 16, 17, 0.57, and 0.71, respectively. The top 5 most academically productive neurosurgical programs based on ih(5)-index were University of California, San Francisco, University of California, Los Angeles, University of Pittsburgh, Brigham & Women's Hospital, and Johns Hopkins University. The Western US region was most academically productive and displayed greater intradepartmental publishing equality (median ih[5]-index = 18, median Ginipub = 0.56). In all regions, large departments with relative intradepartmental publishing equality tend to be the most academically productive. Multivariable logistic regression analysis identified the ih(5)-index as the only independent predictor of intradepartmental publishing equality (Ginipub ? 0.5 [OR 1.20, 95{\%} CI 1.20-1.40, p = 0.03]). Con clusion s The ih(5)-index is a novel, simple, and intuitive metric capable of accurately comparing the recent scholarly efforts of neurosurgical programs and accurately predicting intradepartmental publication equality. The ih(5)-index is relatively insensitive to factors such as isolated highly productive and/or no longer academically active senior faculty, which tend to distort other bibliometric indices and mask the accurate identification of currently productive academic environments. Institutional ranking by ih(5)-index may provide information of use to faculty and trainee applicants, research funDing institutions, program leaders, and other stakeholders.",
author = "Taylor, {Douglas R.} and Venable, {Garrett T.} and Jones, {G. Morgan} and Lepard, {Jacob R.} and Roberts, {Mallory L.} and Nabil Saleh and Sidiqi, {Said K.} and Andrew Moore and Nickalus Khan and Selden, {Nathan R.} and Lattimore Michael and Paul Klimo",
year = "2015",
month = "9",
day = "1",
doi = "10.3171/2014.10.JNS141025",
language = "English (US)",
volume = "123",
pages = "547--560",
journal = "Journal of Neurosurgery",
issn = "0022-3085",
publisher = "American Association of Neurological Surgeons",
number = "3",

}

TY - JOUR

T1 - Five-year institutional bibliometric profiles for 103 US neurosurgical residency programs

AU - Taylor, Douglas R.

AU - Venable, Garrett T.

AU - Jones, G. Morgan

AU - Lepard, Jacob R.

AU - Roberts, Mallory L.

AU - Saleh, Nabil

AU - Sidiqi, Said K.

AU - Moore, Andrew

AU - Khan, Nickalus

AU - Selden, Nathan R.

AU - Michael, Lattimore

AU - Klimo, Paul

PY - 2015/9/1

Y1 - 2015/9/1

N2 - OBJECT?Various bibliometric indices based on the citations accumulated by scholarly articles, incluDing the h-index, g-index, e-index, and Google's i10-index, may be used to evaluate academic productivity in neurological surgery. The present article provides a comprehensive assessment of recent academic publishing output from 103 US neurosurgical residency programs and investigates intradepartmental publishing equality among faculty members. Methods Each institution was considered a single entity, with the 5-year academic yield of every neurosurgical faculty member compiled to compute the following indices: ih(5), cumulative h, ig(5), ie(5), and i10(5) (based on publications and citations from 2009 through 2013). Intradepartmental comparison of productivity among faculty members yielded Gini coefficients for publications and citations. National and regional comparisons, institutional rankings, and intradepartmental publishing equality measures are presented. Results The median numbers of departmental faculty, total publications and citations, ih(5), summed h, ig(5), ie(5), i10(5), and Gini coefficients for publications and citations were 13, 82, 716, 12, 144, 23, 16, 17, 0.57, and 0.71, respectively. The top 5 most academically productive neurosurgical programs based on ih(5)-index were University of California, San Francisco, University of California, Los Angeles, University of Pittsburgh, Brigham & Women's Hospital, and Johns Hopkins University. The Western US region was most academically productive and displayed greater intradepartmental publishing equality (median ih[5]-index = 18, median Ginipub = 0.56). In all regions, large departments with relative intradepartmental publishing equality tend to be the most academically productive. Multivariable logistic regression analysis identified the ih(5)-index as the only independent predictor of intradepartmental publishing equality (Ginipub ? 0.5 [OR 1.20, 95% CI 1.20-1.40, p = 0.03]). Con clusion s The ih(5)-index is a novel, simple, and intuitive metric capable of accurately comparing the recent scholarly efforts of neurosurgical programs and accurately predicting intradepartmental publication equality. The ih(5)-index is relatively insensitive to factors such as isolated highly productive and/or no longer academically active senior faculty, which tend to distort other bibliometric indices and mask the accurate identification of currently productive academic environments. Institutional ranking by ih(5)-index may provide information of use to faculty and trainee applicants, research funDing institutions, program leaders, and other stakeholders.

AB - OBJECT?Various bibliometric indices based on the citations accumulated by scholarly articles, incluDing the h-index, g-index, e-index, and Google's i10-index, may be used to evaluate academic productivity in neurological surgery. The present article provides a comprehensive assessment of recent academic publishing output from 103 US neurosurgical residency programs and investigates intradepartmental publishing equality among faculty members. Methods Each institution was considered a single entity, with the 5-year academic yield of every neurosurgical faculty member compiled to compute the following indices: ih(5), cumulative h, ig(5), ie(5), and i10(5) (based on publications and citations from 2009 through 2013). Intradepartmental comparison of productivity among faculty members yielded Gini coefficients for publications and citations. National and regional comparisons, institutional rankings, and intradepartmental publishing equality measures are presented. Results The median numbers of departmental faculty, total publications and citations, ih(5), summed h, ig(5), ie(5), i10(5), and Gini coefficients for publications and citations were 13, 82, 716, 12, 144, 23, 16, 17, 0.57, and 0.71, respectively. The top 5 most academically productive neurosurgical programs based on ih(5)-index were University of California, San Francisco, University of California, Los Angeles, University of Pittsburgh, Brigham & Women's Hospital, and Johns Hopkins University. The Western US region was most academically productive and displayed greater intradepartmental publishing equality (median ih[5]-index = 18, median Ginipub = 0.56). In all regions, large departments with relative intradepartmental publishing equality tend to be the most academically productive. Multivariable logistic regression analysis identified the ih(5)-index as the only independent predictor of intradepartmental publishing equality (Ginipub ? 0.5 [OR 1.20, 95% CI 1.20-1.40, p = 0.03]). Con clusion s The ih(5)-index is a novel, simple, and intuitive metric capable of accurately comparing the recent scholarly efforts of neurosurgical programs and accurately predicting intradepartmental publication equality. The ih(5)-index is relatively insensitive to factors such as isolated highly productive and/or no longer academically active senior faculty, which tend to distort other bibliometric indices and mask the accurate identification of currently productive academic environments. Institutional ranking by ih(5)-index may provide information of use to faculty and trainee applicants, research funDing institutions, program leaders, and other stakeholders.

UR - http://www.scopus.com/inward/record.url?scp=84952716933&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84952716933&partnerID=8YFLogxK

U2 - 10.3171/2014.10.JNS141025

DO - 10.3171/2014.10.JNS141025

M3 - Article

VL - 123

SP - 547

EP - 560

JO - Journal of Neurosurgery

JF - Journal of Neurosurgery

SN - 0022-3085

IS - 3

ER -