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Table 1 Susceptibility of the M .tuberculosis isolated in Heilongjiang Province to the first-line anti-tuberculosis drugs

From: Persistently high prevalence of primary resistance and multidrug resistance of tuberculosis in Heilongjiang Province, China

Characteristics 2007 2008 2009 2010 2011 2012 Total
No. % No. % No. % No. % No. % No. % No. %
All 198   348   275   204   205   197   1427  
 Any drug resistance 110 55.6 209 60.1 189 68.7 121 59.3 89 43.4 96 48.7 814 57.0
 RPF or INHa,b 42 21.2 77 22.1 72 26.2 55 27.0 42 20.5 40 20.3 328 23.0
 SM 72 36.4 152 43.7 125 45.5 86 42.2 63 30.7 63 32.0 561 39.3
 EMB 47 23.7 74 21.3 75 27.3 16 7.8 17 8.3 18 9.1 247 17.3
 MDR 44 22.2 90 25.9 81 29.5 39 19.1 33 16.1 38 19.3 325 22.8
 Pan-resistancec 21 10.6 49 14.1 37 13.5 10 4.9 12 5.9 11 5.6 140 9.8
From new cases 126   218   171   143   136   124   918  
 Any drug resistance 62 49.2 113 51.8 103 60.2 74 51.7 46 33.8 49 39.5 447 48.7
 RPF or INH 24 19.0 43 19.7 46 26.9 37 25.9 24 17.6 23 18.5 197 21.5
 SM 42 33.3 84 38.5 67 39.2 53 37.1 32 23.5 31 25.0 309 33.7
 EMB 19 15.1 32 14.7 38 22.2 9 6.3 6 4.4 5 4.0 109 11.9
 MDR 20 15.9 36 16.5 29 17.0 18 12.6 11 8.1 11 8.9 125 13.6
 Pan-resistance 5 4.0 17 7.8 14 8.2 4 2.8 4 2.9 2 1.6 46 5.0
From re-treated cases 72   130   104   61   69   73   509  
 Any drug resistance 48 66.7 96 73.8 86 82.7 47 77.0 43 62.3 47 64.4 367 72.1
 RPF or INH 18 25.0 34 26.2 26 25.0 18 29.5 18 26.1 17 23.3 131 25.7
 SM 30 41.7 68 52.3 58 55.8 33 54.1 31 44.9 32 43.8 252 49.5
 EMB 28 38.9 42 32.3 37 35.6 7 11.5 11 15.9 13 17.8 138 27.1
 MDR 24 33.3 54 41.5 52 50.0 21 34.4 22 31.9 27 37.0 200 39.3
 Pan-resistance 16 22.2 32 24.6 23 22.1 6 9.8 8 11.6 9 12.3 94 18.5
  1. a INH isoniazid, RFP rifampicin, MDR multidrug-resistance, SM streptomycin, EMB ethambutol
  2. bThe isolates were resistant to RPF or INH but not both
  3. cThe isolates were resistant to all the four first-line drug