Demographic, clinical and laboratory results of MDR suspects (n = 9).

A1: First contact of case A; A2: Second contact of case A; B1: First contact of case B; C1: First contact of case C; D1: First contact of case D. M: male; F: female. F1: Failure in WHO standard first line treatment regimen for category 1 for new cases; F2: Failure in WHO standard first line treatment regimen for category 2 retreatment cases; R2: Relapse in WHO standard first line treatment regimen for category 2 retreatment cases. NA: Not applicable. N° of FLD: Number of first-line drugs. SM: smear microscopy results. NG: no growth. ID: identification. MTBC: Mycobacterium tuberculosis complex. NT: not tested. R: Resistant; S: sensitive; C: contaminated. SLD: second-line drugs.