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Table 3 Clinical characteristics and clinical course of patients undergoing laparoscopy or laparotomy for the removal of ovarian dermoid cysts

From: Comparison of laparoscopy versus laparotomy for the surgical treatment of ovarian dermoid cysts

Characteristic

Statistic n=53

Laparoscopy n=55

Laparotomy

P-value

Operating time (min)

Mean ± SD

118.4±51.5

86.7±39.6

 

Median (range)

114.0 (33.0–300.0)

76.0 (28.0–178.0)

0.0008

Blood loss (ml)

Mean ± SD

71.6±63.4

119.8±101.6

 

Median (range)

50.0 (10.0–350.0)

75.0 (20.0–400.0)

0.0015

Cyst diameter (cm)

Mean ± SD

6.5±2.3

9.8±6.0

 

Median (range)

6.0 (2.0–12.0)

8.0 (1.5–30.0)

0.0070

Hospital stay (days)

Mean ± SD

0.6±0.8

2.2±1.0

 

Median (range)

0.0 (0.0–3.0)

2.0 (0.0–5.0)

0.0000

Bilaterality

n (%)

5 (9.4)

10 (18.1)

0.1888

Spillage

n (%)

16 (31.4)

2 (4.1)

0.0004

Postoperative complications

n (%)

2 (3.8)

8(14.5)

0.0936

Prior abdominal surgery

n (%)

21 (40.4)

14 (25.5)

0.0999

Torsion

n (%)

2 (3.8)

9 (16.4)

0.0306

  1. P-values for the continuous variables correspond to two-tailed Mann-Whitney tests
  2. P-values for the discrete variables correspond to chi-square tests except for the one for postoperative complications, which corresponds to a two-tailed Fisher’s exact test