TABLE 3.
Relative risks for development of leprosy in household contacts of patients with the disease based on the ML-Flow test (anti-PGL-1), Mitsuda test, and BCG scars
| Indicator and type of contacta | No. of positive results | No. of negative results | OR (CI95%) |
|---|---|---|---|
| ML-Flow test | |||
| Affected | 11 | 17 | 5.58 (2.56-12.15) |
| Healthy | 142 | 1,226 | |
| Mitsuda test | |||
| Affected | 4 | 24 | 0.16 (0.05-0.46) |
| Healthy | 694 | 674 | |
| BCG scars | |||
| Affected | 12 | 16 | 0.27 (0.13-0.59) |
| Healthy | 997 | 371 |
a
For the ML-Flow test, a positive result was a score of ≥1 and a negative result was a score of 0; for the Mitsuda test, a positive result was >7 mm and a negative result was ≤7 mm; for BCG scars, positive was considered to be at least one scar, and negative was considered to be zero scars.