Table 4.

Observed and model-predicted events according to risk categories at 3 months

	No. of patients	Observed events	Expected events
Model 1
CD4 count (cells/μL)
<50	106	8	8.2
50–199	289	11	10.7
200+	750	4	5.4
Total	1145	23	24.3
Model 2
Anaemic, symptomatic and no treatment	72	6	5.7
Not anaemic, asymptomatic and treated	246	3	2.1
Other	854	23	23.3
Total	1172	32	31.1