1. Specificity and predictive value of circulating testosterone assessed by tandem mass spectrometry for the diagnosis of polycystic ovary syndrome by the National Institutes of Health 1990 criteria 
Wael A. Salameh, M.D., Mildred M. Redor-Goldman, B.S., Nigel J. Clarke, Ph.D., Ruchi Mathur, M.D., Ricardo Azziz, M.D., Richard E. Reitz, M.D. 
Fertility and Sterility 
Volume 101, Issue 4, Pages e2 (April 2014)
DOI: /j.fertnstert
Copyright © 2014 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
ROC curve for detecting PCOS using TT measured by LC-MS/MS or RIA (A), FT measured by LC-MS/MS or RIA (B), or both TT and FT (C).
Fertility and Sterility  , e2DOI: ( /j.fertnstert )
Copyright © 2014 American Society for Reproductive Medicine Terms and Conditions

3. Supplemental Figure 1
Deming regression of LC-MS/MS versus RIA for TT (panel A) and FT (panel B).
Fertility and Sterility  , e2DOI: ( /j.fertnstert )
Copyright © 2014 American Society for Reproductive Medicine Terms and Conditions

4. Supplemental Figure 2
Distribution of individual subject results for TT (panel A) and FT (panel B). Note that while there is a similar distribution for PCOS and control women for TT measured by LC-MS/MS and RIA, values for both groups are generally higher for RIA than for LC-MS/MS.
Fertility and Sterility  , e2DOI: ( /j.fertnstert )
Copyright © 2014 American Society for Reproductive Medicine Terms and Conditions