Table 2.
Demographic and clinical characteristics of household contacts of pediatric TB index cases
| Household contacts n (%) | Asymptomatic contactsn (%) | Symptomatic contactsn (%) | Referred contacts n (%) | New TB casesn (%) | |
|---|---|---|---|---|---|
| Total* | 548 (100) | 452 (100) | 71 (100) | 49 (100) | 12 (100) |
| Female sex | 342 (62) | 280 (62) | 47 (66) | 32 (65) | 8 (67) |
| Age, years, median [IQR] | 25 [13–34] | 23 [11–33] | 29 [21– 40] | 28 [17–39] | 30.5 [22.5–38] |
| Range | 0.2–85 | 0.3–79 | 0.2–85 | 0.2–84 | 2–43 |
| Age ⩽5 years | 82 (15) | 72 (16) | 11 (15) | 10 (20) | 2 (17) |
| Symptoms present | |||||
| Cough | 56 (10) | 0 | 51 (72) | 46 (94) | 12 (100) |
| Sputum | 34 (61) | 0 | 29 (57) | 26 (57) | 8 (67) |
| Weight loss | 58 (11) | 0 | 47 (66) | 30 (61) | 12 (100) |
| History of TB in family | |||||
| Yes | 326 (59) | 255 (56) | 46 (65) | 31 (63) | 9 (75) |
| No | 186 (34) | 169 (37) | 17 (24) | 11 (22) | 2 (17) |
| Unknown | 36 (7) | 28 (6) | 8 (11) | 7 (14) | 1 (8) |
| Personal TB history | |||||
| On anti-tuberculosis treatment | 25 (5) | 0 | 0 | 0 | 0 |
| Completed anti-tuberculosis treatment | 31 (6) | 23 (5) | 8 (11) | 6 (12) | 3 (25) |
*
Household contacts (n = 25) who were on anti-tuberculosis treatment at the time of contact tracing are excluded from the final four columns of this table.
TB = tuberculosis; IQR = interquartile range.