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Table 3 TB case detected among contacts of smear positive TB patients

From: A household survey on screening practices of household contacts of smear positive tuberculosis patients in Vietnam

Contact by characteristic Contacts went for screening* Contacts with sputum examination Total TB cases detected** Smear positive TB cases detected
Types Number     
All household contact 4118 474 374 27 20
Contacts with prolonged cough 142 103 88 21 17
Contacts without prolonged cough or cough unknown 3976 371 286 6 3
Children under 5 years of age 293 16 2 1 0
  1. *Includes contacts who came to public or private health facility for screening.
  2. **Either with smear-positive or smear-negative tuberculosis detected from contacts.
  3. TB = tuberculosis.