Table 3 Subgroup analysis of hypoglycemia incidence

All studies

8

1.23 (1.03, 1.48),0.001

61.4%,0.008

The diagnostic criteria for hypoglycemia

0.047

< 40 mg/dL

5

0.29(0.14,0.59),0.001

82.6%,<0.001

< 72 mg/dL

5

0.63(0.43,0.95),0.026

25.8%,<0.001

Control group target blood glucose

0.012

80–110 mg/dl

3

0.23 (0.11,0.51),<0.001

88.0%,<0.001

108–180 mg/dl

5

0.65(0.46, 0.92),0.015

9.4%,0.357

Diabetes

0.012

Partial diabetic

3

0.23 (0.11,0.51),<0.001

88.0%,<0.001

Diabetic

5

0.65(0.46, 0.92),0.015

9.4%,0.357

Study type

0.003

RCT

4

0.25 (0.13, 0.47),<0.001

84.2%,<0.001

Non-RCT

4

0.77 (0.54, 1.11),0.161

0.0%,0.849