Effects of Preoperative Oral Carbohydrate on Cirrhotic Patients under Endoscopic Therapy with Anesthesia: A Randomized Controlled Trial

Table 2

Evaluation of residual fluid in the stomach before anesthesia.

	Control	2 h	4 h
Gastric sonography score (, %)				0.586
0	37 (94.9)	48 (88.9)	22 (91.7)
1	2 (5.1)	5 (9.3)	2 (8.3)
2	0 (0)	1 (1.8)	0 (0)
Fluid sucked during gastroscopy (, %)				0.043
<1.5 ml/kg	39 (100)	48 (88.9)	24 (100)
a ≥1.5 ml/kg	0 (0)	6 (11.1)	0 (0)

Note: the variables in each group were compared using ANOVA with Bonferroni’s correction.