Table 2.
Sensitivity analysis on studies with sample sizes of 100 or above
| Outcome | Substudies (n) | Pooled sample size | Heterogeneity |
Overall effect |
||
|---|---|---|---|---|---|---|
| I2 (%) | p Value | MD (95% CI) | p Value | |||
| HbA1c | 11 | 2953 | 72 | <0.0001 | −0.29 (−0.44 to −0.14) | 0.0001 |
| FPG | 2 | 1299 | 0 | 0.4186 | −0.21 (−0.56 to 0.14) | 0.2384 |
| BMI | 6 | 1174 | 97 | 0.0025 | −0.89 (−1.88 to 0.09) | 0.0757 |
| DBP | 6 | 1678 | 65 | 0.0269 | −0.82 (−2.24 to 0.61) | 0.2628 |
| SBP | 7 | 1740 | 65 | 0.0100 | −1.08 (−3.46 to 1.29) | 0.3710 |
| HDL | 3 | 384 | 79 | 0.0066 | 0.04 (−0.11 to 0.18) | 0.6268 |
| LDL | 3 | 384 | 89 | 0.0009 | −0.13 (−0.66 to 0.39) | 0.6140 |
| TG | 4 | 607 | 0 | 0.6740 | 0.03 (−0.15 to 0.21) | 0.7529 |
| TC | 6 | 1213 | 7 | 0.3190 | −0.11 (−0.21 to −0.01) | 0.0254 |
| Weight | 5 | 1641 | 0 | 0.9447 | −0.28 (−0.62 to 0.07) | 0.1172 |
| WC | 3 | 384 | 13 | 0.2934 | −3.15 (−6.46 to 0.17) | 0.0630 |
BMI, body mass index; DBP, diastolic blood pressure; FPG, fasting plasma glucose; HbA1c, glycated haemoglobin; HDL, high-density lipoprotein; LDL, low-density lipoprotein; MD, mean difference; SBP, systolic blood pressure; TC, total cholesterol; TG, triglyceride; WC, waist circumference.