Fig. 2.

Comparisons poractant-α vs bovine surfactants for mortality (c-b) and for the composite outcome BPD/mortality (c-d). Panels a-c illustrate meta-analyses of 200 mg/kg poractant-α vs bovine surfactants (1193 patients); panels b (1482 patients) and d (1370 patients) illustrate meta-analyses of any dose of poractant-α vs bovine surfactants. Poractant-α and bovine surfactants are considered as treatment (Trt) and control (Ctrl) arm, respectively; events per arm and odds ratio (95%CI) are reported. All analyses have been performed with random effect model