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Patients transferring to other facilities during the first treatment year were excluded from the one-year attrition proportion.
To achieve a 95% confidence interval (CI) of ±3.0% around the estimate for 6-month attrition, assuming a design effect of 1.5, and a conservative (i.e. higher than expected) 6-month attrition proportion of 25% [11], a sample size of ≥1,200 patient records was needed.
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One-year attrition proportions are reported to allow comparison with published literature [11], [18].
Meta-analyses of attrition in adult ART programs in sub-Saharan Africa have reported mean one-year attrition proportions of 25% and 20% for the review periods of 2000-2007 [11] and 2007 2009 [18], respectively.
TCS, in releasing its annual results, pointed out that 51% of its staff had more than three years' experience, and that "attrition"—the proportion of employees leaving each year was below 10%.
Acceptance rate was inferred from the ratio of eligible participants who agreed to participate, and attrition rate was the proportion of enrolled participants who were lost to follow-up because they were unable to complete at least one automated call or the T2 interview.
However, the configuration of mixing significantly influenced the proportion of attrition and cleavage mechanisms.
First, this study reports a substantial proportion of attrition.
* Mann Whitney U not significant The proportion of attrition and missing data was considerable in both groups.
The study looked into the status of attrition rates and the proportion of attrition due to retirement, resignation or death among doctors, clinical officers, nurses and laboratory and pharmacy specialists in surveyed facilities.
The Pacific Islanders narrowed in on these proportions by attrition.
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