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Table 1 Patient characteristics of atypical endometriosis (N = 98)

From: Association between atypical endometriosis and ovarian malignancies in the real world

Category Number
Age (years, range) 34.8 ± 7.3 years (16 ~ 58 years)
Parity (range) 0.5 ± 0.9 (0 ~ 3)
Infertility history 17 (17.3%)
Number of previous surgery for endometriosis
 0 88 (89.8%)
 1 9 (9.2%)
 2 1 (1.0%)
Largest diameter (cm, range) 7.2 ± 2.7 (2 ~ 15.5)
Tumor marker (U/mL)
 CA-125 87.0 ± 100.2
 CA-19–9 58.0 ± 60.2
Location of atypical endometriosis
 Right ovary 54 (55.1%)
 Left ovary 35 (35.7%)
 Both ovaries 8 (8.2%)
 Pelvic peritoneum 1 (1.0%)
Histopathology
 Atypical endometriosis (AE) 86 (87.7%)
 AE + Borderline tumor 3 (3.1%)
 AE + Carcinoma 9 (9.2%)