. 2022 May 23;22:156. doi: 10.1186/s12871-022-01682-w

Table 5.

Influencing factors to postoperative used rescue analgesia: Multiple-factor analysis

		-2LL	H-L test	p value	OR value	95% CI of OR
Multivariate analysis (1)		1294.233	0.958
Number of types of intraoperative long-acting analgesics used, n (%)	0 ^a			< 0.001 ^b
	1			< 0.001 ^b	2.170	1.475	3.192
	2			0.130	1.834	0.836	4.022
The use of parecoxib sodium during surgery (Unused ^a)				0.058	1.341	0.991	1.814
Multivariate analysis (2)		1049.825	0.952
The operation type: Laparotomy (Laparoscopically surgery ^a)				0.001 ^b	1.855	1.309	2.630
Tumor location: Upper abdominal tumor (Lower abdominal tumor ^a)				< 0.001 ^b	2.498	1.846	3.380
Multivariate analysis (3)		1047.968	0.998
The operation type: Laparotomy (Laparoscopically surgery ^a)				0.001 ^b	1.855	1.309	2.630
Tumor location: Upper abdominal tumor (Lower abdominal tumor ^a)				< 0.001 ^b	2.498	1.846	3.380
Number of types of intraoperative long-acting analgesics used, n (%)	0 ^a			0.393
	1			0.175	1.397	0.862	2.265
	2			0.583	1.273	0.538	3.012
Multivariate analysis (4)		886.667	0.101
The operation type: Laparotomy (Laparoscopically surgery ^a)				0.002 ^b	1.829	1.244	2.689
Tumor location: Upper abdominal tumor (Lower abdominal tumor ^a)				< 0.001 ^b	2.290	1.619	3.240
The operation time, h				0.525	0.958	0.839	1.094
Age, years old				0.359	1.006	0.993	1.020
Gender: Female (Male ^a)				0.816	0.962	0.697	1.330
BMI, kg/m²				0.629	0.988	0.939	1.039
Number of types of intraoperative long-acting analgesics used, n (%)	0 ^a			0.450
	1			0.351	0.749	0.409	1.374
	2			0.217	0.545	0.208	1.429

Abbreviation: -2LL = -2 log likelihood, H-L = Hosmer-Lemesho, OR = Odds ratio, CI = Confidence interval, % = Percentage(s)

^aReference variable

^bThe difference was statistically significant, p < 0.05