Table 2.

Comparison between the two groups and univariate binary logistic regression analysis of the potential influencing factors of LPSP. Values are presented as mean ± standard deviation or median (interquartile range). *P < 0.05.

Variable	Absence shoulder pain (n = 206)	Have shoulder pain (n = 186)	Odds ration	95% CI
Age (years)	31.96 ± 3.56	29.96 ± 3.56	0.940	(0.894–0.988)*
Height (m)	1.62 ± 0.05	1.64 ± 0.04	5059.128	(51.627–495,760.092)*
Weight (kg)	66.63 ± 11.88	60.16 ± 9.53	0.944	(0.925–0.964)*
BMI (kg/m2)	25.3 ± 4.33	22.35 ± 3.31	0.815	(0.767–0.866)*
Waist width (cm)	84.89 ± 11.03	78.66 ± 8.32	0.934	(0.913–0.957)*
Hip width (cm)	96.29 ± 8.69	91.78 ± 6.68	0.927	(0.901–0.954)*
Waist/Hip Ratio	0.87 ± 0.05	0.86 ± 0.05	0.000	(0.000–0.005)*
Waist/Height ratio	0.52 ± 0.07	0.48 ± 0.05	0.000	(0.000–0.000)*
Education (years)	11.38 ± 2.9	11.38 ± 2.9	1.053	(0.982–1.129)
Duration of surgery (min)	85(60–115)	85(57.75–120)	0.999	(0.995–1.004)
Duration of pneumoperitoneum (min)	77(52–108)	76.5(15–210)	0.999	(0.995–1.004)
Plateau airway pressure (P plat)
before pneumoperitoneum (P plat1)	11.66 ± 2.48	10.44 ± 1.91	0.763	(0.685–0.850)*
15 min after pneumoperitoneum (P plat2)	19.7 ± 3.83	17.36 ± 3.1	0.820	(0.768–0.876)*
P plat2-P plat1	8.04 ± 2.45	6.92 ± 2.15	0.807	(0.736–0.885)*
Peak airway pressure (P peak)
before pneumoperitoneum (P peak1)	13.82 ± 3.11	12.21 ± 2.45	0.798	(0.732–0.870)*
15 min after pneumoperitoneum (P peak2)	22.01 ± 4.38	19.51 ± 3.65	0.853	(0.807–0.902)*
P peak2-P peak1	8.2 ± 2.51	7.3 ± 2.2	0.848	(0.776–0.927)*
Partial pressure of end-tidal carbon dioxide(PetCO2)
before pneumoperitoneum (PetCO2)1	31(29–34)	32(30–34)	1.011	(0.945–1.080)
15 min after pneumoperitoneum (PetCO2)2	37.5(36–40)	38(36–40)	1	(0.939–1.066)
(PetCO2)2- (PetCO2)1	6(5–8)	6(5–8)	0.995	(0.928–1.067)