TABLE 1.

Characteristics of study subjects

CharacteristicNo. of subjectsAge (yr)No. (%) of subjects with:TST induration (mm)a
MeanRangeBCG vaccinationINH TreatmentMeanSERange
Cured of TB45136-630 (0)21.53.918-27
TST+b274823-618 (30)8 (30)16.34.88-29
    Contact investigation145139-602 (14)4 (29)16.13.310-24
    Screening134523-616 (46)4 (31)15.56.88-29
TST negative94028-580 (6.6)0
  • a TST result during the study.

  • b TST+, persons with a documented TST induration of ≥10 mm in the past.