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

Table 4

SpO2 changes at three time points.

	Control	2 h	4 h
T0	99 (98, 100)	100 (99, 100)	99 (98, 100)	0.194
T1	100 (99, 100)	100 (98, 100)	99 (98, 100)	0.302
T2	100 (99, 100)	100 (99, 100)	100 (98, 100)	0.479

Note: just before intravenous anesthesia; 1 minute after injection of propofol; 5 minutes after injection of propofol.