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Table 3 Gastric volume under gastric ultrasound in the two groups

From: Effects of preoperative oral enzyme-hydrolyzed rice flour solution on gastric emptying and insulin resistance in patients undergoing laparoscopic cholecystectomy: a prospective randomized controlled trial

 

Group C (n = 50)

Group E (n = 50)

P-value

GV0 (ml, mean ± SD)

37.0 ± 7.9

38.4 ± 7.0

0.352

GV1 (ml, mean ± SD)

335.2 ± 14.1*

338.6 ± 14.3*

0.237

GV2 (ml, mean ± SD)

38.4 ± 6.9

37.1 ± 8.3

0.394

  1. GV0, gastric volume before oral liquid; GV1, gastric volume immediately after oral liquid; GV2, gastric volume before induction; SD, standard deviation
  2. P-value indicates the statistical difference between the two groups at the same time point
  3. *Indicates a statistically significant difference compared with GV0, P < 0.01