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Table 3 Drug resistance levels of M. tuberculosis lineages at the regional reference hospitals

From: Mycobacterium tuberculosis lineages and anti-tuberculosis drug resistance in reference hospitals across Viet Nam

Resistance Lineage/ Sub-lineage Location
Total North Centre South
   n a (col.%) b n a (col.%) b n a (col. %) b n a (col.%) b
INH All 298 (39.6) 98 (49.0) 100 (12.0) 100 (58.0)
  Beijing 165 (53.9) 69 (58.0) 28 (32.1) 68 (58.8)
  EAI 82 (14.8) 7 (14.3) 58 (3.5) 17 (52.9)
  EAI4_VNM 44 (16.3) 6 (0.0) 27 (3.7) 11 (54.5)
  Others 51 (32.7) 22 (31.8) 14 (7.1) 15 (60.0)
RMP All 298 (24.5) 98 (28.6) 100 (6.0) 100 (39.0)
  Beijing 165 (34.5) 69 (34.8) 28 (21.4) 68 (39.7)
  EAI 82 (9.9) 7 (14.3) 58 (0.0) 17 (41.2)
  EAI4_VNM 44 (11.6) 6 (0.0) 27 (0.0) 11 (45.5)
  Others 51 (15.4) 22 (13.6) 14 (0.0) 15 (33.3)
SM All 298 (42.6) 98 (56.1) 100 (14.0) 100 (58.0)
  Beijing 165 (63.0) 69 (66.7) 28 (42.9) 68 (67.6)
  EAI 82 (6.1) 7 (14.3) 58 (0.0) 17 (23.5)
  EAI4_VNM 44 (7.0) 6 (0.0) 27 (0.0) 11 (27.3)
  Others 51 (34.6) 22 (36.4) 14 (14.3) 15 (53.3)
EMB All 298 (16.8) 98 (23.5) 100 (4.0) 100 (23.0)
  Beijing 165 (25.5) 69 (27.5) 28 (14.3) 68 (27.9)
  EAI 82 (3.7) 7 (14.3) 58 (0.0) 17 (11.7)
  EAI4_VNM 44 (4.6) 6 (0.0) 27 (0.0) 11 (18.1)
  Others 51 (9.6) 22 (13.6) 14 (0.0) 15 (13.3)
MDR All 298 (23.8) 98 (28.6) 100 (6.0) 100 (37.0)
  Beijing 165 (33.3) 68 (34.8) 28 (21.4) 68 (36.7)
  EAI 82 (9.9) 7 (14.3) 58 (0.0) 17 (41.2)
  EAI4_VNM 44 (11.6) 6 (0.0) 27 (0.0) 11 (45.5)
  Others 51 (15.4) 22 (13.6) 14 (0.0) 15 (33.3)
  1. a:Total number of isolates
  2. b:Proportion of drug resistant isolates
  3. The bold numbers show the total sums and proportions of drug resistance (in bracket) for all isolates, irrespective of their lineages