Table 4. Kaplan-Meier estimates of the retention in care behaviours of patients attending two adherence clubs at Facility X.

Duration of follow-up	Remaining in care Club A %(95% CI)	Remaining in care Club B %(95% CI)
6 months	95.7% (84.2–99.2)	92.3% (78.0–97.9)
12 months	87.0% (73.3–94.5)	87.1% (71.6–95.1)
24 months	80.1% (65.5–89.9)	84.6% (68.6–93.4)
36 months	78.7% (62.9–88.2	84.6% (68.6–93.4)