Table 1.
Capture–recapture analysis and NPLC under-reporting estimation
| Notified* (M) No. | Medical campaigns (n) No. | Common (m) No. | Aggregated registry | Ascertainment-corrected estimate (95% CI)† N = (M + 1 × n + 1/(m + 1))−1 | Estimated under-reporting (95% CI) % = 1 − (N/M) × 100 | |
|---|---|---|---|---|---|---|
| (a) Overall registers comparison | ||||||
| Total | 23 | 50 | 13 | 60 | 86.4 (62.1–110.8) | 73.4% (63.1–81.5%) |
| (b) Disaggregated registers comparison | ||||||
| Men | 11 | 27 | 5 | 33 | 55.0 (29.0–81.0) | 80.0% (67.6–88.5%) |
| Women | 12 | 23 | 8 | 27 | 33.7 (24.2–43.1) | 64.4% (47.9–78.5%) |
| Ichoa | 15 | 38 | 9 | 44 | 61.4 (41.9–80.9) | 75.6% (63.3–84.5%) |
| Tacopaya | 8 | 12 | 4 | 16 | 22.4 (12.6–32.2) | 64.3% (43.0–80.3%) |
| < 15 | 3 | 9 | 2 | 10 | 12.3 (6.9–17.8) | 75.7% (46.8–91.1%) |
| > 15 | 20 | 41 | 11 | 50 | 72.5 (50.4–94.6) | 72.4% (61.4–82.0%) |
| 2013 | 14 | 27 | 8 | 33 | 45.7 (30.6–60.7) | 69.3% (55.2–80.9%) |
| 2014 | 9 | 23 | 5 | 27 | 39.0 (22.8–55.2) | 76.9% (61.7–87.4%) |
CI = confidence interval; NPLC = National Program of Leishmaniasis Control.
Cases notified by NPLC.
Chapman’s formula used to calculate the estimator.