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Table 3 Coverage estimates (raw/adjusted) for the proportion of HIV-positive women accessing service components per pregnancy (2005–2012)

From: Uptake of services for prevention of mother-to-child transmission of HIV in a community cohort in rural Tanzania from 2005 to 2012

Service

Raw estimate

Estimate adjusted by % ANC records linked to DSS*

Estimate adjusted by % ANC records linked to DSS & local ANC attendance**

Estimate adjusted by algorithm sensitivity***

ANC

64.0 %a [61.6–66.4 %]

80.6 %

91.6 %

91.4 %

In HIV care (PMTCT/CTC)

39.5 % [37.0–42.0 %]

49.7 %

56.5 %

56.4 %

ARV drugs

20.0 % [17.9–22.0 %]

25.2 %

28.6 %

28.6 %

  1. ANC antenatal clinic, ARV antiretroviral, CTC care and treatment clinic, DSS demographic surveillance system, PMTCT prevention of mother-to-child transmission
  2. *raw estimate divided by 79 % (% of ANC records linked to the DSS)
  3. **previous estimate (column three) divided by 88 % (accounting for 12 % of women that reported accessing ANC services outside Kisesa ward in sero7)
  4. ***divided by 70 % (sensitivity of the algorithm)
  5. a raw estimate for the proportion who attended ANC, excluding women who attended CTC in Kisesa but were not linked to Kisesa ANC services (e.g., may have attended ANC outside the area)