TABLE 1.
Summary statistics of various tuberculosis indicators in three African countries 2001–2010, and 2011– 2019.
| Variable | Pre (2001–2010) |
Post (2011–2019) |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Democratic Republic of the Congo (N = 10) |
Nigeria (N = 10) |
South Africa (N = 10) |
Democratic Republic of the Congo (N = 9) |
Nigeria (N = 9) |
South Africa (N = 9) |
|||||||
| Median | IQR | Median | IQR | Median | IQR | Median | IQR | Median | IQR | Median | IQR | |
| New pulmonary confirmed TB cases | 65 040 | 62 192–69 477 | 42 383 | 34 402–45 721 | 133 352 | 125 864–139 136 | 76 671 | 71 526–93 555 | 54 012 | 52 811–73 660 | 132 750 | 129 840–155 473 |
| Estimated number of cases | 182 000 | 168 000–198 000 | 308 000 | 289 000–329 000 | 594 500 | 499 000–632 000 | 247 000 | 233 000–262 000 | 397 000 | 376 000–418 000 | 547 000 | 421 000–593 000 |
| Estimated incidence /100k | 327 | 327–327 | 219 | 219–219 | 1220 | 1070–1260 | 324 | 322–326 | 219 | 219–219 | 988 | 738–1110 |
| New extrapulmonary cases | 18 471 | 18 213–19 654 | 2906 | 1525–3422 | 43 193 | 37 686–48 251 | 21 579 | 20 329–24 959 | 4546 | 4227–4896 | 28 507 | 23 621–37 709 |
| Lab confirmed RR/MDR | - | - | - | - | - | - | 737 | 499–893 | 1981 | 1241–2286 | 17 360 | 13 199–19 073 |
| Lab confirmed MDR-TB | 87 | 87–87 | 21 | 21–21 | 7386 | 7386–7386 | 137 | 81–217 | 656 | 107–996 | 8981 | 8081–9956 |
| TB case notification (Numb) | 96 371 | 80 011–104 861 | 67 362 | 45 842–84 121 | 286 646 | 227 320–348 241 | 119 213 | 112 439–150 085 | 94 825 | 87 211–102 387 | 287 224 | 237 045–312 380 |
| Case notification rate 100k | 173 | 156–177 | 48 | 37–56 | 595 | 487–693 | 165 | 158–184 | 53 | 52–55 | 519 | 422–582 |
| TB case detection rate (CDR) % | 53 | 48–54 | 22 | 17–26 | 50 | 46–55 | 50 | 48–57 | 24 | 24–25 | 53 | 53–58 |
| Estimated TB/HIV % | 22 | 21–23 | 21 | 20–25 | 66 | 65–69 | 16 | 12–19 | 17 | 14–22 | 60 | 59–62 |
| Estimated mortality /100k | 84 | 83–94 | 88 | 88–93 | 395 | 371–422 | 87 | 70–89 | 85 | 81–86 | 116 | 106–137 |
| TSR new cases % | 85 | 78–86 | 79 | 76–81 | 68 | 65–70 | 89 | 88–90 | 86 | 86–87 | 78 | 77–80 |
Source: Adapted from World Health Organization (WHO). Global Tuberculosis Programme. In Global TB report [homepage on the Internet]. 2021 [cited 2021 Jun 26]. Available from: https://www.who.int/tb/country/data/download/en/
IQR, interquartile range; RR, rifampicin resistant; TSR, treatment success rate (defined as the proportion of cases registered in a particular year that successfully completed tuberculosis treatment without evidence of bacteriological failure [WHO]); CDR, case detection rate (defined as the proportion of estimated new and relapse tuberculosis cases detected in a given year under the internationally recommended tuberculosis control strategy [WHO]).