Table 3.

Differences in outcomes between focus and control countries during early and late study periods

Outcome Measure	Mean Annual Percentage Change during period*		Difference in annual % change, focus countries relative to controls (95% CI)†	p
	Focus Countries	Control countries
Number of deaths from HIV/AIDS
1997–2002	14.1%	17.2%	−3.5 (−9.1 – 2.2)	0.22
2004–2007	−6.3%	1.2%	−10.5 (−16.6 – −4.4)	0.001
Number of people living with HIV
1997–2002	4.7%	8.9%	−3.7 (−7.4 –0)	0.05
2004–2007	1.2%	3.1%	−1.7 (−4.0 – 0.5)	0.12
Adult HIV Prevalence‡
1997–2002	0.14%	0.07%	0.05 (−0.3 – 0.41)	0.76
2004–2007	−0.09%	−0.1%	0.01 (−0.18 – 0.19)	0.95

^*Calculated from primary data as the mean of the percentage change in the outcome between consecutive years. Data is available on UNAIDS website

^†Results from an unadjusted regression analysis of the difference in annual percentage change between the groups of countries

^‡Changes in prevalence are reported directly rather than transformed to percentage change. For example, an increase in prevalence from 5% to 6% counts as a 1% change rather than a 20% increase