Table 1 Baseline characteristics of individuals with presumptive TB by Computer-Aided Detection of TB (CAD4TB) scores, visiting TB diagnostic and treatment centers in Karachi, Pakistan (Q3- 2013 to Q2- 2015).
CAD4TB scores | |||||||
|---|---|---|---|---|---|---|---|
All N (%) | <=20 n (%) | 21–40 n (%) | 41–60 n (%) | 61–80 n (%) | 81–95 n (%) | p-value* | |
Gender | <0.001 | ||||||
Male | 3,018(49.6) | 51(31.7) | 222(40.9) | 421(41.0) | 549(48.7) | 1,775(54.9) | |
Female | 3,072(50.4) | 110(68.3) | 321(59.11) | 605 (59.0) | 578 (51.3) | 1,458(45.1) | |
Age | <0.001 | ||||||
<=20 | 852(14) | 24(14.9) | 90(16.6) | 188(18.3) | 177(15.7) | 373(11.5) | |
21–40 | 2,591(42.6) | 101(62.7) | 295(54.3) | 537(52.3) | 489(43.4) | 1,169(36.2) | |
41–60 | 1,732(28.4) | 33(20.5) | 133(24.5) | 246(24) | 343(30.4) | 977(30.2) | |
>60 | 915 (15.0) | 3(1.9) | 25(4.6) | 55(5.4) | 118(10.4) | 712(22.1) | |
Symptoms | |||||||
Cough | 0.59 | ||||||
No | 761(12.5) | 17(10.6) | 69(12.7) | 176(17.2) | 162(14.4) | 337(10.4) | |
<2 weeks | 4,968(81.6) | 136(84.5) | 445 (82) | 796 (77.6) | 902(80.0) | 2,689 (83.2) | |
>2 weeks | 361(5.9) | 8(5) | 29(5.34) | 54(5.3) | 63(5.6) | 207(6.4) | |
Fever | <0.001 | ||||||
No | 1,455(23.9) | 43(26.7) | 139(25.6) | 283(27.6) | 305(27.1) | 685(21.2) | |
Yes | 4,635(76.1) | 118(73.3) | 404(74.4) | 743(72.4) | 822(72.9) | 2,548(78.8) | |
Hemoptysis | <0.001 | ||||||
No | 5,287(86.8) | 134(83.2) | 480(88.4) | 912(88.9) | 1,004(89.1) | 2,757(85.3) | |
Yes | 803(13.2) | 27(16.8) | 63(11.6) | 114(11.1) | 123(10.9) | 476(14.7) | |
Night sweats | <0.01 | ||||||
No | 4,232(69.5) | 112(69.6) | 379(69.8) | 730(71.2) | 831 (73.7) | 2,180 (67.4) | |
Yes | 1,858(30.5) | 49(30.4) | 164(30.2) | 296(28.9) | 296 (26.3) | 1,053 (32.6) | |
Xpert MTB/RIF result | <0.001 | ||||||
MTB not detected | 5,165(84.8) | 159(98.8) | 535(98.5) | 1,003(97.8) | 1,069 (94.9) | 2,399(74.2) | |
MTB detected | 925(15.2) | 2(0.2) | 8(1.5) | 23(2.2) | 58(5.1) | 834(25.8) | |
