Variables | Patients infected with rifampicin- resistant strains (n = 27) | Patients infected with rifampicin- susceptible strains (n = 124) | P-value | ||
Age (years) | U | ||||
Mean ±SD | 49.44±14.88 | 48.72±14.81 | 0.82 | ||
Range | 15 – 77 | 15 – 77 | |||
Age groups | |||||
0 – 15 | 1 (33.3) | 2 (66.7) | 0.73 | ||
16 – 35 | 6 (13.3) | 39 (86.7) | |||
36 – 60 | 15 (19.5) | 62 (70.5) | |||
>60 | 5 (19.2) | 21 (80.8) | |||
Gender | |||||
Male | 23 (19.0) | 98 (81.0) | 0.47 | ||
Female | 4 (13.3) | 26 (86.7) | |||
Residence | FE | ||||
Rural | 26 (21.0) | 98 (79.0) | 0.049 | ||
Urban | 1 (3.7) | 26 (96.3) | |||
Smoking | |||||
Positive | 19 (22.4) | 66 (77.6) | 0.10 | ||
Negative | 8 (12.1) | 58 (87.9) | |||
TB type | |||||
▪ PTB | 14 (12.6) | 97 (87.4) | 0.005* | ||
▪ EPTB | 13 (32.5) | 27 (67.5) | |||
Positive Smear | |||||
▪ Yes | 14 (13.2) | 92 (86.8) | 0.02* | ||
▪ No | 13 (28.9) | 32 (71.1) | |||
Previous TB treatment | FE | ||||
▪ Yes | 20 (19.4) | 114 (80.6) | 0.02* | ||
▪ No | 7 (41.2) | 10 (58.8) | |||
Contact with a known TB Patient | |||||
▪ Yes | 18 (24.7) | 55 (75.3) | 0.035* | ||
▪ No | 9 (11.5) | 69 (88.5) | |||
HIV results | |||||
Unknown | 11 (15.9) | 58 (84.1) | 0.39 | ||
Positive | 2 (40.0) | 3 (60.0) | |||
Negative | 13 (17.1) | 63 (82.8) | |||
Residence | 1.95 | 1.07 | 0.07 | 2.110.07 | 1.11 – 3.15 |
Multivariate regression analysis | |||||
B | SE | P Value | Odds ratio | 95% CI | |
TB type | 1.41 | 0.49 | 0.004 | 4.21 | 2.15 – 5.48 |
Smear | 0.10 | 0.48 | 0.83 | 0.91 | 0.56 – 1.22 |
Contact with TB case | 1.05 | 0.49 | 0.03 | 2.85 | 1.19 – 7.88 |