Table 4 Study parameters with respect to extra-pelvic endometriosis foci

Patient characteristics

Age (year), median(min-max)

36.0(26.0–47.0)

34.0(27.0–43.0)

0.851

BMI (kg/m²), median(min-max)

23.0(17.3–32.0)

26.0(18.0-36.8)

0.196

Obstetric history

Previous pregnancy, n(%)

Yes (n = 13)

6(50.0)

7(87.5)

0.085

No (n = 7)

6(50.0)

1(12.5)

Delivery method, n(%)

C/S (n = 7)

3(25.0)

4(50.0)

0.331

NSVD (n = 4)

2(16.7)

2(25.0)

Previous history of endometriosis, n(%)

Yes (n = 7)

5(41.7)

2(25.0)

0.461

No(n = 12)

6(50.0)

6(75.0)

Preoperative laboratory findings, median(min-max)

WBC (10³/µL)

12.1(4.9–17.0)

7.6(4.6–8.9)

0.098

Hemoglobin (g/dL)

11.6(8.9–13.9)

13.0(9.3–13.0)

0.910

Platelet (10³/µL)

332.0(284.0-528.0)

236.0(223.0-370.0)

0.010

Urea (mg/dL)

22.0(15.0–48.0)

17.0(9.0–29.0)

0.120

Creatinine (mg/dL)

0.6(0.4–0.8)

0.6(0.6-1.0)

0.592

AST(U/L)

16.0(9.0–55)

15.0(11.0–25.0)

0.791

ALT(U/L)

15.0(7.0–64.0)

11.0(8.0–38.0)

0.261

Albumin (g/dL)

4.0(2.7–4.7)

4.5(4.2–4.9)

0.029

Preoperative imaging, n(%)

Preoperative CT

Yes (n = 11)

11(91.7)

0(0.0)

< 0.001

No (n = 9)

1(8.3)

8(100.0)

Preoperative US

Yes (n = 9)

5(41.7)

4(50.0)

0.714

No (n = 11)

7(58.3)

4(50.0)

Surgery, n(%)

Elective (n = 9)

2(16.7)

7(87.5)

0.001

Emergent (n = 10)

10(83.3)

0(0.0)

Postoperative outcome

LOS (day), median(min-max)

4.5(1.0–26.0)

1.0(1.0–1.0)

0.001

Postoperative complications, n(%)

Yes (n = 2)

2(16.7)

0(0.0)

0.241

No (n = 17)

10(83.3)

7(87.5)

ICU stay, n(%)

Yes (n = 3)

3(25.0)

0(0.0)

0.125

No (n = 17)

9(75.0)

8(100.0)

Reoperation, n(%)

Yes (n = 2)

1(8.3)

1(12.5)

0.684

No (n = 17)

10(83.3)

7(87.5)

Recurrence, n(%)

Yes (n = 3)

2(16.7)

1(12.5)

0.928

No (n = 8)

5(41.7)

3(37.5)

BMI: body mass index; C/S: cesarean section; NSVD: normal spontaneous vaginal delivery; WBC; Whie blood cell; AST: Aspartate transaminase; ALT: Alanine transaminase; CT: computerized tomography; US: ultrasound; LOS: length of hospital stay; ICU: intensive care unit

Chi square test, Mann Whitney U test