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Table 3 ROC curve analysis for CRP and hsCRP

From: A high sensitivity assay is more accurate than a classical assay for the measurement of plasma CRP levels in endometriosis

  AUC Cut-off Sensitivity%/Specificity% AUC Cut-off Sensitivity %/Specificity%
  CRP CRP CRP hsCRP hsCRP hsCRP
   (mg/L)    (mg/L)  
All Phases       
Controls vs Stage I-IV 0.55 > 0.71 45.6/63.7 0.57 > 0.62 61.8/50.6
Controls vs Stage I-II 0.50 N/A N/A 0.51 N/A N/A
Controls vs Stage III-IV 0.66 > 0.71 63.8/63.7 0.71 > 0.72 78.3/56.0
Luteal phase       
Controls vs Stage I-IV 0.59 > 0.71 48.8/63.9 0.65 > 0.70 58.9/63.9
Controls vs Stage I-II 0.52 N/A N/A 0.59 > 0.54 57/50
Controls vs Stage III-IV 0.70 > 0.71 67.7/63.9 0.76 > 0.71 80.7/63.9
Follicular phase       
Controls vs Stage I-IV 0.50 > 0.71 41.0/61.1 0.51 > 0.61 54.2/50
Controls vs Stage I-II 0,54 N/A N/A 0.57 N/A N/A
Controls vs Stage III-IV 0.62 > 0.71 60.9/61.1 0.70 > 0.66 78.3/52.8
Menstrual phase       
Controls vs Stage I-IV 0.57 > 0.71 49.0/68.0 0.54 > 0.73 68.3/47.4
Controls vs Stage I-II 0.53 N/A N/A 0.53 N/A N/A
Controls vs Stage III-IV 0.63 > 0.71 60.0/68.4 0.65 > 0.78 80.0/52.6
  1. N/A- not applicable.