Table 2.
Comparison of variables between spontaneous ruptured OMA and unruptured groups
| Variables | Ruptured group(n = 38) | Unruptured group(n = 76) | P |
|---|---|---|---|
| Age (y), (M ± SD, range) | 31.6 ± 5.1 (23–46) | 31.7 ± 5.1 (23–46) | 0.937 |
| BMI (kg/m2), (M ± SD, range) | 20.4 ± 3.0 (16.0–27.7) | 21.8 ± 3.0 (16.7–31.2) | 0.021* |
| Parity ≥ 1, n (%) | 8 (21.1) | 20 (26.3) | 0.538 |
| CS history, n (%) | 4 (10.5) | 14 (18.4) | 0.276 |
| Recurrence OMA surgery, n (%) | 1 (2.6) | 2 (2.6) | 1.000 |
| Infertility, n (%) | 7 (18.4) | 12 (15.8) | 0.771 |
| Primary infertility | 5 | 10 | |
| Second infertility | 2 | 2 | |
| Chronic pelvic pain, n (%) | 5 (13.2) | 6 (7.9) | 0.907 |
| Dysmenorrhea | 0.300 | ||
| None | 9 (23.7) | 14 (18.4) | |
| Mild (VAS 1–3) | 6 (15.8) | 12 (15.8) | |
| Moderate (VAS 4–6) | 13 (34.2) | 17 (22.4) | |
| Severe (VAS 7–10) | 10 (26.3) | 33 (43.4) | |
| OMA duration (mth), median (IQR) | 21.0 (5.5–36.0) | 12.0 (5.0–36.0) | 0.680 |
| AAP history, n (%) | 33 (86.8) | 10 (13.2) | < 0.001* |
| CA125 (IU/ml), n | 37 | 70 | |
| Median (IQR) | 72.6 (37.8–154.5) | 61.2 (34.9–113.9) | 0.286 |
| CA199 (IU/ml), n | 34 | 63 | |
| Median (IQR) | 36.8 (14.7–74.7) | 25.5(17.0–38.7) | 0.176 |
| Preoperative GnRH-a, n (%) | 16 (42.1) | 31 (40.8) | 0.937 |
| Max diameter of OMA by US (cm) | 7.3 ± 1.7 | 6.6 ± 1.9 | 0.040* |
| Left cyst in surgery, n (%) | 28 (73.7) | 65 (85.5) | 0.124 |
| Right cyst in surgery, n (%) | 30 (79.0) | 53 (69.7) | 0.297 |
| Bilateral cyst in surgery, n (%) | 20 (52.6) | 42 (52.3) | 0.790 |
| Endometrial polyp, n (%) | 2 (5.3) | 9 (11.8) | 0.432 |
| Peritoneal EM, n (%) | 8 (20.1) | 23 (30.3) | 0.297 |
| Deep EM, n (%) | 16 (42.1) | 33 (43.4) | 0.894 |
| Uterine fibroid, n (%) | 8 (21.1) | 20 (26.3) | 0.538 |
| Adenomyosis, n (%) | 6 (15.8) | 18 (23.7) | 0.330 |
| Cul-de-sac obliteration | 0.007* | ||
| Partial | 22 (57.9) | 21 (27.6) | |
| Complete | 10 (26.3) | 37 (48.7) | |
| r-ASRM score, (M ± SD, range) | 44.6 ± 22.5 (20–96) | 52.6 ± 25.8 (20–112) | 0.089 |
| r-ASRM stage, n (%) | 0.274 | ||
| III | 17 (44.7) | 26 (34.2) | |
| IV | 21 (55.3) | 50 (65.8) | |
| Surgery time (min), median (IQR) | 60 (60–90) | 70 (60 –90) | 0.303 |
| Blood loss (ml), median (IQR) | 50 (30–50) | 30 (30–50) | 0.750 |
M ± SD, Mean and standard deviation; BMI, Body mass index; CS: Cesarean section; OMA: Ovarian endometrioma; VAS: Visual analog scale; IQR, Interquartile range; AAP: Acute abdominal pain; GnRH-a, Gonadotropin-releasing hormone agonist; US: Ultrasound; EM, endometriosis; r-ASRM, American Society for Reproductive Medicine revised staging system