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Forest plot showing comparison in side effects observed in Pollypill group as compared to the control (Fixed effect model). Fixed—odds ratio = 1.68 (95% CI 1.29–2.19), P = 0.000. Random—odds ratio = 1.73 (95% CI 1.23–2.44), P = 0.000. Q = 3.06, df = 2, P = 0.21, I Square = 34.69).
