Table 2.

Correlation between endometriosis and serum levels of tumor markers.

	Endometriosis (N=40)	Controls (N=41)	P value
CA125			<0.0001*
Elevated (>35 U/mL)	27 (67.5)	4 (9.8)
Non-elevated	13 (32.5)	37 (90.2)
CA19-9			0.534
Elevated (>27 U/mL)	12 (30.0)	13 (31.7)
Non-elevated	28 (70.0)	28 (68.3)
HE4			0.264
Elevated (>60 pmol/L)	2 (5.0)	6 (14.6)
Non-elevated	38 (95.0)	35 (85.4)
CYFRA 21-1			0.048*
Elevated (>2.29 ng/mL)	2 (5.0)	8 (19.5)
Non-elevated	38 (95.0)	33 (80.5)
PIGF			0.226
Elevated (>14.2 pg/mL)	8 (20.0)	4 (9.8)
Non-elevated	32 (80.0)	37 (90.2)