Table 3. Comparison of those included in survival analysis and those excluded.

		Included in Analysis (N)	Excluded from Analysis (N)
Total population	Age (mean)	38.3 (8412)	38.0 (2475)
	Sex (% male)	36.3% (3057)	42.1% (1042)
	WHO Stage 3 and 4 (%)	61.1% (5122)	63.8 (1578)
	Baseline CD4 (mean)	162.6 (4055)	154.6 (1070)
25 to 49	Age (mean)	35.5 (7297)	35.5 (2171)
	Sex (% male)	35.2% (2569)	41.1% (893)
	WHO Stage 3 and 4 (%)	60.8% (4425)	63.9% (1386)
50 and older	Age (mean)	56.1 (1115)	56.0 (304)
	Sex (% male)	43.8% (488)	49.0% (149)
	WHO Stage 3 and 4 (%)	62.9% (697)	63.2% (192)