8. Primary outcome 2.2: Pregnancy related deaths.

Study	Measure of effect	Statistical approach	Intervention	Control
Kumar 2008		Adjusted	12/2749	10/1142
Laken 1995	0.9713 (0.0191 to 49.4211)	Straight into RevMan	0/104	0/101
Lewycka 2013		Adjusted	23/4601	29/5059

¹All data adjusted using an ICC of 0.00247 as suggested by Professor J P Souza by email.