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Table 2 Programmatic tuberculosis case finding and prevention indicators for people living with HIV, Zambia 2018

From: Assessment of the tuberculosis case-finding and prevention cascade among people living with HIV in Zambia – 2018: a cross-sectional cluster survey

   Age strata Province
Indicator All PLHIV,
unweighted n/N,
weighteda %
(95% CI)
Adults
(≥15 years),
unweighted n/N,
weighteda %
(95% CI)
Children
(< 15 years),
unweighted n/N,
weighteda %
(95% CI)
Lusaka,
unweighted n/N,
weighteda %
(95% CI)
Copperbelt,
unweighted n/N,
weighteda %
(95% CI)
1. Percentage of new-to-ART PLHIV who underwent TB symptom screening 440/480 93.4 (78.3–98.2) 334/353 93.8e (77.7–98.5) 106/127 81.7e (70.4–89.3) 291/321 91.6 (67.3–98.3) 149/159 96.9 (86.8–99.3)
2. Percentage of screened PLHIV who had a positive TB symptom screen (≥1 of 4 symptoms) 131/440 27.4 (17.3–40.4) 86/334 27.0e (16.9–40.2) 45/106 42.3e (29.6–56.2) 75/291 21.6 (12.5–34.8) 56/149 38.4 (16.1–67.0)
3. Percentage of PLHIV with a positive TB symptom screen who underwent microbiological evaluationb for TB 41/131 51.9 (27.0–75.9) 36/86 53.8e (27.7–78.0) 5/45 7.0e (1.6–25.8) 17/75 43.0 (10.6–82.7) 24/56 61.6 (24.7–88.7)
4. Percentage of screened PLHIV who were diagnosed with active TB disease 18/440 4.7 (2.6–8.2) 17/334 4.8e (2.7–8.3) 1/106 0.3e (0.0–3.1) 10/291 4.2 (1.6–10.8) 8/149 5.6 (3.2–9.5)
5. Percentage of screened PLHIV who were TPT-eligiblec 422/440 95.3 (91.8–97.4) 317/334 95.2e (91.7–97.3) 105/106 99.7e (96.9–100.0) 281/291 95.8 (89.2–98.4) 141/149 94.4 (90.5–96.8)
6. Percentage of TPT-eligible PLHIV who initiated TPT 102/422 24.7 (9.4–50.9) 89/317 25.2e (9.6–51.7) 13/105 7.7e (1.4–32.4) 87/281 35.8e (15.0–63.8) 15/141 3.1e (0.1–59.8)
7. Percentage of PLHIV who completed TPT among those due for completiond 11/30 38.4 (6.7–84.4) 9/24 38.5 (6.6–84.7) 2/6 26.6 (0.5–96.7) 11/26 40.0 (5.2–89.0) 0/4 0.0
8. Percentage who started and completed TPT among TPT-eligible PLHIV who started ART > 212 days prior to data abstraction 11/163 6.7 (1.0–34.0) 9/120 6.8 (1.0–34.8) 2/43 2.3 (0.4–11.1) 11/101 10.6 (1.4–50.3) 0/62 0.0
  1. Abbreviations: PLHIV People living with HIV, ART Antiretroviral therapy, TB Tuberculosis, CI Confidence interval
  2. aWeighted for differential probabilities of selection across sampling clusters, age strata, and facilities
  3. bMicroscopy, mycobacterial culture, or nucleic acid amplification test on a clinical specimen
  4. cScreened for TB symptoms and asymptomatic and not diagnosed with active TB disease, or symptomatic and not diagnosed with active TB disease with ≥1 follow up appointment
  5. dStarted TPT > 212 days prior to data abstraction
  6. eStatistically significant difference in indicator estimates across strata; Rao-Scott-adjusted chi-square p < 0.05