Effect of somatostatin in advanced gastric cancer after D2 radical gastrectomy

Table 3 Gastric and peritoneal drainage volumes and duration in the study group and the control group

	Study group	Control group	Statistic value	P-value
Mean daily drainage volume of gastric fluid (mL)	n = 35	n = 34
mean ± SD	136.1 ± 74.5	201.4 ± 81.0	4.595	< 0.001
Range	20-400	50-800
Gastric tube indwelling duration (d)
mean ± SD	2.7 ± 1.0	3.3 ± 1.6	2.390	0.018
Mean peritoneal drainage volume (mL)	n = 61	n = 59
mean ± SD	165.9 ± 73.1	203.1 ± 99.2	2.395	0.018
Range	50-350	80-550
Drainage tube indwelling duration (d)
mean ± SD	4.1 ± 1.0	5.0 ± 1.8	3.365	0.001