Table 4 Capture-recapture estimates of total numbers of cases, sensitivities of each source, incidence estimates and 95% confidence intervals
From: Completeness of hepatitis, brucellosis, syphilis, measles and HIV/AIDS surveillance in Izmir, Turkey
| Â | Chapman's formula | Chao's lower bound estimator | ||||||
|---|---|---|---|---|---|---|---|---|
| Â | Total number of cases in population | Sensitivity lab % | Sensitivity notifications % | Incidence (per 100,000) | Total number of cases in population | Sensitivity lab% | Sensitivity notifications % | Incidence (per 100,000) |
Hepatitis A | 1852 (1665-2040) | 30 (28-34) | 32 (29-35) | 52.8 (47.5-58.2) | 1858 (1669-2047) | 30 (27-34) | 32 (29-35) | 53.0 (47.6-58.4) |
Hepatitis B | Â | Â | Â | Â | Â | Â | Â | Â |
   IgM anti-HBc | 1831 (1399-2263) | 21 (17-27) | 12 (10-16) | 52.2 (39.9-64.5) | 1989 (1502-2477) | 19 (15-25) | 11 (9-15) | 56.7 (42.8-70.6) |
Hepatitis C | Â | Â | Â | Â | Â | Â | Â | Â |
   dialysis & gastroenterology omitted | 2081 (1901-2260) | 84 (78-92) | 4 (4-5) | 59.3 (54.2-64.5) | 11359 (8997-13721) | 15 (13-20) | 1 (1-1) | 323.9 (256.6-391.3) |
Brucellosis | Â | Â | Â | Â | Â | Â | Â | Â |
   WHO criteria | 362 (299-425) | 42 (36-51) | 32 (27-39) | 10.3 (8.5-12.1) | 371 (304-439) | 41 (34-50) | 31 (26-38) | 10.6 (8.7-12.5) |
   Agglutination < 1/80 | 545 (468-622) | 56 (49-66) | 21 (19-25) | 15.5 (13.4-17.7) | 688 (572-804) | 45 (38-54) | 17 (14-20) | 19.6 (16.3-22.9) |
Syphilis | Â | Â | Â | Â | Â | Â | Â | Â |
   WHO criteria | 331 (283-378) | 61 (53-71) | 26 (23-30) | 9.4 (8.1-10.8) | 396 (327-465) | 51 (43-61) | 22 (19-26) | 11.3 (9.3-13.3) |
   notified lab cases not meeting WHO criteria included | 274 (250-298) | 79 73-87) | 31 (29-34) | 7.8 (7.1-8.5) | 338 (293-382) | 64 (57-74) | 25 (23-29) | 9.6 (8.4-10.9) |