Risk factors for periappendiceal adhesions in acute appendicitis: a retrospective comparative study

BMC Surgery

Table 3 Risk factors of adhesions during appendectomy identified by univariate and multivariate logistic regression analysis

	Univariate analysis					Multivariate analysis
	Degree of intraoperative adhesions			H/χ² value	P value	OR (95%CI)	P value
	Mild	Middle	Severe	H/χ² value	P value	OR (95%CI)	P value
Gender
Male	40	17	32	1.491	0.475	− 0.249, 0.956	0.250
Female	52	17	28	1.491	0.475	Reference	0.250
Age, years	37.5 (14 ~ 78)	42.9 (17 ~ 81)	42.9 (14 ~ 78)	5.526	0.063	− 0.005, 0.032	0.151
First onset
No	35	10	23	0.918	0.632	0.119, 1.589	0.023*
Yes	57	24	37	0.918	0.632	Reference	0.023*
Time interval from on-set to operation, days
≤ 1	34	8	22	6.581	0.361	− 1.063, 0.879	0.853
1 < and ≤ 2	24	15	19			− 0.717, 1.193	0.626
2 < and ≤ 3	8	5	9			− 0.664, 1.618	0.412
> 3	21	6	9			Reference
Preoperative leukocyte count, × 10⁹/L	10.6 (2.1 ~ 22.5)	13.1 (3.5 ~ 24.3)	11.7 (2.7 ~ 23.6)	4.487	0.106	− 0.090, 0.062	0.717
Preoperative neutrophil percentage, %	71 (30.5 ~ 95.8)	78 (45.9 ~ 94.3)	78.2 (45.6 ~ 93.6)	8.405	0.015*	0.014, 0.079	0.005*
Preoperative US revealed periappendiceal fluid
No	79	26	42	7.555	0.023*	− 1.389, 0.168	0.124
Yes	10	8	17	7.555	0.023*	Reference	0.124

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