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

Table 3 ROC curve analysis for CRP and hsCRP

	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

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