Table 4 Risk factors of adhesions during appendectomy in recurrent appendicitis identified by univariate and multivariate logistic regression analysis

Gender

 Male

14

5

6

− 1.794, 0.597

0.327

 Female

21

5

17

Reference

Age, years

39.2 (17 ~ 67)

41.2 (17 ~ 73)

39.5 (22 ~ 60)

− 0.039, 0.033

0.853

Time interval from initial onset to operation of re-current patients, months

 ≤ 3

4

1

4

− 0.986, 2.486

0.397

 3 < and ≤ 12

15

4

6

− 1.316, 1.050

0.826

 > 12

14

4

11

Reference

Preoperative leukocyte count, × 10⁹/L

7.6 (2.1 ~ 17.1)

8.7 (3.5 ~ 18.6)

9.4 (2.7 ~ 19.1)

− 0.179, 0.168

0.952

Preoperative neutrophil percentage, %

61.9 (30.5 ~ 90.6)

63.7 (45.9 ~ 84.5)

73.7 (45.6 ~ 92.1)

0.005, 0.103

0.07

Preoperative US revealed periappendiceal fluid

 No

33

10

20

− 3.835, 1.309

0.336

 Yes

1

0

3

Reference