TFPI2 and endometriosis: Significantly higher levels of serum TFPI2 were found in CCC patients (mean ± SD: 508.2 ± 812.0 pg/mL) compared with patients with benign lesions (154.7 ± 46.5 pg/mL, p < 0.0001), endometriosis (145.5 ± 33.7 pg/mL, p < 0.0001), the non-clear cell EOC group (265.4 ± 289.1 pg/mL, p = 0.0124), and non-clear cell EOC + BOT group (238.6 ± 247.7 pg/mL, p = 0.0001) (Fig. 1a and Supplementary Table 2).