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Table 2 Comparison of endpoint indicators between two groups

From: The safety of preoperative carbohydrate drinks in extremely elderly patients assessed by gastric ultrasonography: a randomized controlled trial

 

Fasting group

(n = 35)

Carbohydrate group

(n = 35)

P Value

Primary measurement

   

 CSA, RLDP, 0 h before surgery (cm2)

5.86(5.13–6.69)

6.14(5.24–6.54)

0.353

Secondary measurements

   

 CSA, supine, 0 h before surgery (cm2)

4.46(3.79–5.22)

4.00(3.56–5.04)

0.557

 Perlas grade 0, 0 h before surgery

23(65.71%)

24(68.57%)

0.964

 Perlas grade 1, 0 h before surgery

10(28.57%)

9(25.71%)

 Perlas grade 2, 0 h before surgery

2(5.71%)

2(5.71%)

 Aspiration in surgery

0(0.0%)

0(0.0%)

1.000

 GLUave (mmol/L)

6.42(6.11–6.56)

7.99(7.30–8.49)

<0.001

 GLUcv

22.56(19.61–27.57)

16.71(10.71–24.32)

0.009

 Hypoglycemia during surgery

17(6.1%)2(5.71%)

0(0%)

0.493

  1. Abbreviations: CSA, cross-sectional area; RLDP, right lateral decubitus position, GLUave, average blood glucose; GLUcv, blood glucose variation coefficient