Table 6. First AIDS event or death by treatment strategy and by calendar time.

Comparison	NumberEvents or Death	Hazard Ratio	95% CI	p-value*
Intensification vs. standard ART (All patients)
15Jun01–31Dec03	25 vs. 27	0.949	0.550, 1.636	0.76
01Jan04–31Dec06	42 vs. 41	0.997	0.650, 1.529
01Jan07–31Dec07	15 vs. 14	1.319	0.637, 2.734
Intensification vs. standard ART (2×2 factorial-excludes UK Option patients)
15Jun01–31Dec03	25 vs. 26	1.006	0.581, 1.743	0.86
01Jan04–31Dec06	37 vs. 41	0.924	0.593, 1.445
01Jan07–31Dec07	14 vs. 14	1.174	0.560, 2.462
ART interruption vs. continuation (2×2 factorial-excludes UK Option patients)
15Jun01–31Dec03	27 vs. 24	1.057	0.610, 1.834	0.18
01Jan04–31Dec06	34 vs. 44	0.923	0.590, 1.448
01Jan07–31Dec07	9 vs. 19	0.437	0.198, 0.965

*Test for heterogeneity.