H-indices in a university department of anaesthesia: an evaluation of their feasibility, reliability, and validity as an assessment of academic performance

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h-indices in a university department of anaesthesia: an evaluation of their feasibility, reliability, and validity as an assessment of academic performance M.D. Bould, S Boet, B Sharma, E Shin, N.J. Barrowman, T Grantcharov British Journal of Anaesthesia Volume 106, Issue 3, Pages 325-330 (March 2011) DOI: 10.1093/bja/aeq403 Copyright © 2011 The Author(s) Terms and Conditions

Fig 1 The Bland–Altman plot for Scopus™ and Web of Science®-derived h-indices. The dashed line indicates the mean bias (the mean of the differences between the Scopus™ and Web of Science®-derived h-indices) and the solid lines are ±1.96 sd of the mean bias. Because of discreteness, many of the data points were in identical positions. So that all of the data points could be displayed, a small normal random perturbation with mean 0 and sd 0.1 was added to each horizontal coordinate (the mean of the h-indices). British Journal of Anaesthesia 2011 106, 325-330DOI: (10.1093/bja/aeq403) Copyright © 2011 The Author(s) Terms and Conditions

Fig 2 Box plot of Web of Science® h-index for each academic rank. The height of the box is the IQR. The white horizontal line is the median. The lower whisker extends to the lowest value within 1.5 IQR of the lower quartile, and the upper whisker extends to the highest value within 1.5 IQR of the upper quartile. More extreme values are represented by circles. British Journal of Anaesthesia 2011 106, 325-330DOI: (10.1093/bja/aeq403) Copyright © 2011 The Author(s) Terms and Conditions

Fig 3 ROC curve for predicting a rank of full professor with the Web of Science® h-index. Diagonal segments are produced by ties. Citations per paper, mean citations per publication; h-index, Web of Science®-derived h-index; publications, total number of publications; citations, total number of citations. British Journal of Anaesthesia 2011 106, 325-330DOI: (10.1093/bja/aeq403) Copyright © 2011 The Author(s) Terms and Conditions