Table 3 Calorie intake subgroup analysis
Group | Sample size | Heterogeneity test | Effect model | OR (95%CI) | P | |
|---|---|---|---|---|---|---|
I2 | P | |||||
Birth weight | ||||||
< 1000 g | 4 | 0% | 0.596 | fixed | -5.13 (-6.95,-3.31) | 0.000 |
> 1000 g | 6 | 86.4% | < 0.01 | Random | -5.96 (-7.52,-4.40) | 0.000 |
Country | ||||||
China | 6 | 86.7% | < 0.01 | Random | -5.50 (-6.84, -4.16) | 0.000 |
Other | 4 | 0% | 0.723 | fixed | -5.98 (-8.50, -3.46) | 0.000 |
Methods | ||||||
case-control study | 4 | 74.3% | 0.009 | Random | -8.70 (-10.96,-6.45) | 0.000 |
Cohort study | 6 | 71.3% | 0.004 | Random | -4.43 (-5.82,-3.03) | 0.000 |
Feeding Methods | ||||||
Enteral, parenteral | 9 | 65.4% | 0.003 | Random | -4.69 (-5.96,-3.43) | 0.000 |
Parenteral | 1 | 0% | < 0.01 | Random | -12 (-15.35,-8.65) | 0.000 |