Table 2.

Observed versus expected mortalities at ascending levels of SICK score (London)

SICK Score	London (WMUH)
	Died		Survived
	Observed	Expected	Observed	Expected
0	1	0.0	246	247.0
< 1	0	0.1	394	393.9
1 - 1.9	0	0.6	573	572.4
2 - 2.9	0	0.8	193	192.2
3 - 3.9	1	0.9	47	47.1
4 - 4.9	2	1.4	13	13.6
≥ 5	1	1.1	2	1.9
Total	5	4.9	1468	1468