Table 6. Attrition and Retention Rates by Country.

		New Patients			Established Patientsb
Country	Simple Mean Cost	Sites where eligible charts were available	Eligible Patient Chartsa	Mean retention at 12 months from initiation (95% confidence intervals)	Sites where eligible charts were available	Eligible Patient Charts	Mean attrition over 12 month cost data year (95% confidence intervals)
Rwanda	$232	29 of 30	1096	95%±2%	22 of 30	961	2±1%
Malawi	$136	30 of 30	1496	77%±3%	23 of 30	1090	6±4%
Ethiopia	$186	41 of 41	1944	84%±3%	41 of 41	1862	7±3%
Zambia	$278	30 of 30	1568	89%±4%	27 of 30	1299	6±2%
RSA	$682	30 of 30	1624	82%±4%	27 of 30	1099	8±4%

^aEligible charts excluded patients that were transferred to another facility.

^bNote some sites had not been providing ART for as long and did not have patients that fit the requirements for an established patient.