Table 2

 Prevalence of drug resistance in new and previously treated prison cases (n = 291) in Samara, Russia

AntibioticNew casesPreviously treated cases
Resistant(n)Resistant(% and 95% CI)Resistant(n)Resistant(% and 95% CI)
Isoniazid42/6762.7 (50.7 to 73.6)146/22465.2 (58.6 to 71.2)
Rifampicin25/6637.9 (26.8 to 49.9)126/22456.3 (46.7 to 62.6)
MDR TB25/6737.3 (26.4 to 49.3)120/22453.6 (47.0 to 60.0)
Streptomycin30/4271.4 (56.5 to 83.5)117/22452.2 (45.7 to 58.7)
Ethambutol14/4233.3 (20.4 to 48.5)72/22332.3 (23.4 to 38.6)
Pyrazinamide3/2313.0 (2.8 to 33.6)5/955.3 (1.7 to 11.9)