Early gastric dilation after laparoscopic sleeve gastrectomy: Insights from a three-dimensional computed tomography reconstruction study

Table 5 Univariate and multivariate linear regression analyses for the degree of residual gastric dilation

Variable	Univariate		Multivariate
	β value (95%CI)	P value	β value (95%CI)	P value
Age, years	-0.260 (-0.266 to -0.254)	0.068	-0.029 (-0.049 to -0.009)	0.814
Sex, male/female	-0.072 (-0.179 to 0.035)	0.617	-	-
BMI, kg/m2	-0.249 (-0.255 to -0.243)	0.082	-0.021 (-0.027-0.015)	0.881
Comorbidities
Hypertension	-0.092 (-0.205 to 0.021)	0.527	-	-
Type 2 diabetes, %	0.294 (0.196-0.392)	0.039	0.268 (0.185-0.351)	0.024
Chronic gastritis	-0.055 (-0.156 to 0.046)	0.705	-	-
Non-alcoholic fatty liver disease	-0.230 (-0.328 to -0.132)	0.108	-	-
Smoking, %	-0.061 (-0.186 to 0.064)	0.673	-	-
Alcohol consumption, %	-0.114 (-0.249 to 0.021)	0.429	-	-
Laboratory parameter
Preoperative fasting blood glucose, mmol/L	0.043 (0.007-0.079)	0.764	-	-
Preoperative HbA1c, %	-0.125 (-0.171 to -0.079)	0.385	-	-
Preoperative WBC, 109/L	0.074 (0.050-0.098)	0.607	-	-
Preoperative CRP, mg/L	0.091 (0.085-0.097)	0.532	-	-
Resected stomach volume, mL	-0.195 (-0.215 to -0.175)	0.174	-	-
Spinal length, cm	-0.197 (-0.209 to -0.185)	0.169	-	-
Residual gastric volume at 1 month	-0.511 (-0.531 to -0.490)	< 0.001	-0.407 (-0.409 to -0.405)	0.003
TAVR	-0.095 (-0.147 to -0.043)	0.511	-	-
Postoperative follow-up indicators
GERD-Q score	0.450 (0.422-0.478)	0.001	0.302 (0.274-0.330)	0.019
EBBS-Q score	-0.250 (-0.268 to -0.232)	0.080	-0.119 (-0.135 to -0.103)	0.356

CI: Confidence interval; BMI: Body mass index; HbA1c: Hemoglobin A1c; WBC: White blood cell count; CRP: C-reactive protein; TAVR: Tube-to-antral volume ratio.