Table 2.

Distribution of women with SMM according to the WHO combined criteria for maternal near miss and outcome of admission to the ICU

Combined WHO criteria for near miss	Outcome of admission *
	Death	Survivor
Yes	18	194
No	0	461
Total	18	655
S = 100.0% [78.1 - 100.0]		Sp = 70.4% [66.7 - 73.8]
PPV = 8.5% [5.3 - 13.3]		NPV = 100.0% [99.0 - 100.0]

* Gold standard; [95% CI]

SMM: severe maternal morbidity; ICU: intensive care unit.