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Table 2 Imaging study, perioperative details of patients who underwent appendectomy (N = 892)

From: Negative appendectomy rate in patients diagnosed with acute appendicitis

Variables

Negative appendectomy

(n = 77)

Positive appendectomy

(n = 815)

P value

Abdominal ultrasonography (n, %)

  

< 0.001

 Negative

4 (5.2)

7 (0.9)

 

 Positive

10 (13)

243 (29.8)

 

 Equivocal

17 (22.1)

127 (15.6)

 

 Not perform

46 (59.7)

438 (53.7)

 

Abdominal CT (n, %)

  

< 0.001

 Negative

3 (3.9)

2 (0.2)

 

 Positive

18 (23.4)

291 (35.7)

 

 Equivocal

4 (5.2)

6 (0.7)

 

 Not perform

52 (67.5)

516 (63.3)

 

Type of operation (n, %)

  

1.000

 Open

69 (89.6)

734 (90.1)

 

 Laparoscopic

8 (10.4)

81 (9.9)

 

Operative time (min, IQR)

110 (95,130)

115 (100,136)

0.644

LOS (days, IQR)

3 (2,4)

3 (2,4)

0.493

Intraoperative complication (n, %)

0 (0)

15 (1.8)

0.632

Postoperative complication (n, %)

5 (6.5)

43 (5.3)

0.598

  1. All data are presented as median (IQR) unless indicated otherwise