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. 2018 Apr 2;8(3):e019438. doi: 10.1136/bmjopen-2017-019438

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Plot of the pooled effect estimates from randomised controlled trials investigating the effects of pasta in the context of low-GI dietary patterns on global and abdominal markers of adiposity. Pooled effect estimates are represented by diamonds and were estimated with the use of generic inverse-variance random-effects models. Between-study heterogeneity was assessed by the Cochran Q statistic, where P<0.10 is considered statistically significant, and quantified by the I² statistic where I² ≥50% is considered evidence of substantial heterogeneity. BMI, body mass index; GI, glycaemic index; HGI, higher-glycaemic index diet; LGI, low-glycaemic index diet.