TABLE 4.

Leprosy development in household contacts of patients and estimated relative risks based on BCG scars, Mitsuda test, and ML-Flow test (anti-PGL-1)a

Presence of BCG scarResult by:Affected contactsHealthy contacts
Mitsuda testML-FlowNo.%No.%
725.020615.0
+828.648735.6
+13.61239.0
++13.643331.7
+828.6221.6
++27.0423.1
++13.6110.8
+++00.0443.2
Total28100.01,368100.0
  • a For the ML-Flow test, a positive result was considered to be ≥1 and a negative result was considered to be 0; for the Mitsuda test, a positive was considered to be >7 mm and a negative result was considered to be ≤7 mm; for BCG scars, positive was considered to be the presence of at least one scar and negative was considered to be no scars. Results in boldface type indicate unfavorable results.