Figure 2
From: A gradient relationship between low birth weight and IQ: A meta-analysis

Random-effect analysis of the association between low birth weight and IQs. WMD: weight mean difference; CI:confidence interval.
From: A gradient relationship between low birth weight and IQ: A meta-analysis

Random-effect analysis of the association between low birth weight and IQs. WMD: weight mean difference; CI:confidence interval.