Table 2. Smear conversion at three months of treatment of sputum positive Tuberculosis patients in Malappuram district, Kerala state,India from April 2010 to September 2011, by status of Diabetes Mellitus (n = 1727).
| Smear conversion at three months | |||||||||
| Diabetes status | No | Yes | RR | (95% CI) | p-value | ||||
| Number | (%) | Number | (%) | ||||||
| Total | 341 | (100) | 1,386 | (100) | |||||
| Diabetes | |||||||||
| No | 216 | (20) | 881 | (80) | Reference | ||||
| Yes | 83 | (18) | 386 | (82) | 0.90 | (0.71–1.13 | 0.36 | ||
| Unknown | 42 | (26) | 119 | (74) | 1.32 | (1.00–1.76) | 0.06 | ||
| Diabetes control | |||||||||
| Yes | 22 | (32) | 46 | (68) | Reference | ||||
| No | 38 | (37) | 65 | (63) | 1.14 | (0.74–1.75) | 0.54 | ||
| Unknown | 97 | (33) | 201 | (67) | 1.01 | (0.69–1.47) | 0.98 | ||
RR = relative risk; CI = confidence interval.