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Table 1 Subject characteristics and surgical outcomes

From: Post Laparoscopy Pain Reduction Project I (POLYPREP I): intraperitoneal normal saline instillation—a randomised controlled trial

Variables

Control

Intraperitoneal normal saline (INSI)

n = 34

n = 34

Age (mean ± SD)

36.1 (± 8.9)

35.6 (± 8.9)

Parity, n (%)

  

 Nulliparous

16 (47.1%)

12 (35.3%)

 Parous

18 (52.9%)

22 (64.7%)

Ethnicity n (%)

  

 Malay

19 (55.9%)

22 (64.7%)

 Chinese

8 (23.5%)

3 (8.8%)

 Indian

4 (11.8%)

7 (20.6%)

 Others

3 (8.8%)

2 (5.9%)

Body mass index (kg/m2) (mean ± SD)

25.2 (± 5.4)

27.9 (± 6.7)

ASA classification, n (%)

  

 I

22 (64.7%)

20 (58.8%)

 II

12 (35.3%)

14 (41.2%)

Previous abdominal surgery, n (%)

10 (29.4%)

10 (29.4%)

Indication for surgery, n (%)

  

 Hysterectomy

0 (0%)

1 (2.9%)

 Myomectomy

2 (5.9%)

1 (2.9%)

 Ovarian cystectomy

8 (23.5%)

10 (29.4%)

 Tubal ligation

2 (5.9%)

1 (2.9%)

 Diagnostic laparoscopy

5 (14.7%)

2 (5.9%)

 Salpingectomy

8 (23.5%)

13 (38.2%)

 Salpingo-oophorectomy

5 (14.7%)

1 (2.9%)

 TLHBSO

4 (11.8%)

4 (11.8%)

Operative time (min), (mean ± SD)

80.2 (± 37.2)

93.2 (± 40.5)

Estimated blood loss (mL), (mean ± SD)

409 (± 453)

365 (± 232)

Trocars inserted, n (%)

  

 2

4 (11.8%)

0 (0.0%)

 3

25 (73.5%)

29 (85.3%)

 4

5 (14.7%)

4 (14.7%)

Postoperative hospital stays (days), n (%)

1.8 (± 0.7)

1.8 (± 0.8)

  1. ASA, American Society of Anaesthesiologists; INSI, intraperitoneal normal saline; SD, standard deviation; TLHBSO, total laparoscopic hysterectomy with bilateral salpingo-oophorectomy