OBJECTIVE
To explore the levels and determinants of loss to follow-up (LTF) under universal lifelong antiretroviral therapy (ART) for pregnant and breastfeeding women (“Option B+”) in Malawi.
DESIGN, SETTING, and PARTICIPANTS
We examined retention in care, beginning at date of ART initiation and up to six months, for women in the Option B+ program. We analysed nation-wide facility-level data on women who started ART at 540 facilities (n=21 939). The study included individual-level data on patients who started ART at 19 large facilities (n=11 534).
RESULTS
Of the women who started ART under Option B+ (n=21 939), 17% appeared to be LTF six months after start. Most losses occurred in the first 3 months of therapy. Option B+ patients who started therapy during pregnancy were five times more likely than women who started ART in WHO stage 3/4 or with a CD4 cell count ≤350 cells/μl, to never return after their initial clinic visit (odds ratio 5.0, 95% CI 4.2-6.1). Option B+ patients who started therapy while breastfeeding were twice as likely to miss their first follow-up visit (odds ratio 2.2, 95% CI 1.8-2.8). LTF was highest in pregnant Option B+ patients who began ART at large clinics on the day they were diagnosed with HIV. LTF varied considerably between facilities, ranging from 0% to 58%.
CONCLUSION
Decreasing LTF will improve the effectiveness of the Option B+ approach. Tailored interventions, like community- or family-based PMTCT models could improve its effectiveness.
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