Comparison 2. Secondary outcomes.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Infants who did not clear jaundice at six months	2	211	Risk Ratio (M‐H, Random, 95% CI)	0.89 [0.67, 1.17]
2 All‐cause mortality or liver transplantation at two years	2	211	Risk Ratio (M‐H, Fixed, 95% CI)	1.00 [0.72, 1.39]
3 Non‐serious adverse events	0	0	Risk Difference (M‐H, Random, 95% CI)	0.0 [0.0, 0.0]
4 Subgroup analysis of infants operated on at age of < 70 days who did not clear their jaundice by six months post KPE	2	127	Risk Ratio (M‐H, Random, 95% CI)	0.77 [0.46, 1.29]
5 Subgroup analysis of infants operated on at age of > 69 days who did not clear their jaundice by six months post KPE	2	84	Risk Ratio (M‐H, Random, 95% CI)	1.09 [0.74, 1.62]