Clinical observation of gastrointestinal function recovery in patients after hepatobiliary surgery

Table 2 Comparison of bowel sounds recovery time, gas discharge time, and first feeding time in two groups of patients (mean ± SD)

Index	Study group (n = 100)	Control group (n = 100)	t	P value
Feeding time (h)	32.15 ± 6.01	45.38 ± 5.63	16.065	< 0.001
Defecation time (h)	41.15 ± 9.46	55.38 ± 11.03	9.793	< 0.001
Bowel sound recovery time (h)	28.86 ± 8.46	47.71 ± 10.27	14.167	< 0.001
Anal first exhaust time (h)	39.14 ± 9.51	49.91 ± 8.53	8.431	< 0.001
First out of bed time (d)	2.16 ± 1.03	3.27 ± 1.62	5.782	< 0.001