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 contactaNo. of positive resultsNo. of negative resultsOR (CI95%)
ML-Flow test
    Affected11175.58 (2.56-12.15)
    Healthy1421,226
Mitsuda test
    Affected4240.16 (0.05-0.46)
    Healthy694674
BCG scars
    Affected12160.27 (0.13-0.59)
    Healthy997371
  • 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.