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Table 3 Drug susceptibility phenotypes of new cases and retreatments

From: Characterization of Mycobacterium tuberculosis isolates from Hebei, China: genotypes and drug susceptibility phenotypes

DSTa N (%) New cases Retreatments OR (95 % CI)b p-value
Total 974 753 (77.3 %) 221 (22.7 %)   
Pan sensitive 642 (65.9 %) 553 (86.1 %) 89 (13.9 %) 1 (Ref.)  
Any resistancec 332 (34.1 %) 200 (60.2 %) 132 (39.8 %) 4.101 (2.996–5.613) <0.0001
 Any S resistance 240 (24.6 %) 137 (57.1 %) 103 (42.9 %) 4.671 (3.325–6.562) <0.0001
 Any H resistance 201 (20.6 %) 96 (47.8 %) 105 (52.2 %) 6.796 (4.760–9.703) <0.0001
 Any R resistance 173 (17.8 %) 77 (44.5 %) 96 (55.5 %) 7.747 (5.328–11.26) <0.0001
 Any E resistance 84 (8.6 %) 41 (48.8 %) 43 (51.2 %) 6.517 (4.020–10.56) <0.0001
MDRd 129 (13.2 %) 46 (35.7 %) 83 (64.3 %) 11.21 (7.335–17.14) <0.0001
  1. a DST drug susceptibility testing
  2. b OR odds ratio, CI confidence interval
  3. c S streptomycin, H isoniazid, R rifampicin, E ethambutol
  4. d MDR multi-drug resistance
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