Table 3. Predictors of sputum conversion at two months following DOT for pulmonary tuberculosis (Oman TB study 2007).
| Predictor | Sputum conversion at 1 month | Sputum conversion between 1 and 2 months | |||||
|---|---|---|---|---|---|---|---|
| Adj Odd’s ratio | 95% Confidence Interval | p value | Adj Odd’s ratio | 95% Confidence Interval | p value | ||
| Constant | 8.57 | -1.699 | |||||
| Sex | Male Female |
1.12 1.00 |
0.33 3.77 | 0.85 | 1.04 1.0 |
0.24 4.62 | 0.96 |
| Age | 0.98 | 0.93 1.03 | 0.41 | 1.01 | 0.96 1.06 | 0.84 | |
| Duration of symptom | <1 month 1 to 2 2 to 3 4 to 5 5 + months |
3.17 4.64 0.56 0.37 1.0 |
0.29 35.09 0.48 44.89 0.04 7.05 0.02 7.29 |
0.35 0.19 0.65 0.51 |
0.31 0.20 3.71 1.74 1.00 |
0.03 2.86 0.03 1.66 0.35 38.92 0.13 23.74 |
|
| Bacillus density | One plus Two plus Three plus |
690,000 2.9 1.0 |
0.60 107.13 | 0.07 | 0 0.24 1.00 |
0.01 4.39 | 0.34 |
| Platelet Count | 1.0 | 0.99 1.02 | 0.04 | 1.00 | 1 1.009 | 0.07 | |
| Cavity in lung | Yes No |
1 1.09 |
0.47 – 2.52 | 0.84 | 1 0.0001 |
0.000 – 3.61 x 1068 | 0.92 |
Adj: Adjustment