Table 1.
Demographic and clinical information of index cases (n=112).
| Variable | % (n) | Median (IQR) |
|---|---|---|
| Gender | ||
| Female | 39.3 (44) | |
| Male | 60.7 (68) | |
| Age in years | 28 (22−35) | |
| TB diagnosis | ||
| Pulmonary smear positive | 80.4 (90) | |
| Pulmonary smear negative | 19.6 (22) | |
| Previous history of TB | 8.0 (9) | |
| Rifampicin-resistance in Xpert® MTB/RIF assay | 3.6 (4) | |
| No pretreatment | 2.9 (3/103) | |
| After pretreatment | 11.1 (1/9) | |
| MDR-TB according to AST | ||
| No pretreatment | 2.9 (3/103) | |
| After pretreatment | (0) | |
| Index patients’ TB symptoms | ||
| Weight loss | 89.3 (100) | |
| Night sweats | 85.7 (96) | |
| Cough >2 weeks duration | 73.2 (82) | |
| Loss of appetite | 59.8 (67) | |
| Hemoptysis | 19.6 (22) | |
| Swelling of lymph nodes | 5.4 (6) | |
| No TB symptoms | 0 | |
| Co-morbidities / TB risk factors | ||
| None | 72.3 (81) | |
| Regular alcohol consumption | 16.1 (18) | |
| Habit of smoking or regular khat consumption | 13.4 (15) | |
| Known HIV co-infection | 8.9 (10) | |
| Malnutrition (clinical assessment) | 2.7 (3) | |
| Chronic renal disease | 0.9 (1) | |
| Number of HHCs per index patient | 4 (2−5) |
IQR = interquartile range; HHCs = household contacts; TB = tuberculosis; MDR = multidrug-resistant; AST = antimicrobial sensitivity testing; HIV = Human Immunodeficiency Virus