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Table 1 Characteristics of study population from 2014 to 2019

From: Prevalence and molecular characteristics of drug-resistant Mycobacterium tuberculosis in Hainan, China: from 2014 to 2019

Characteristics Total 2014 2015 2016 2017 2018 2019 χ2 P
n (%) n (%) n (%) n (%) n (%) n (%) n (%)
Gender
 Male 1217 (82.0) 181 (81.2) 147 (86.0) 84 (78.5) 157 (82.6) 262 (79.2) 386 (83.5) 5.433 0.365
 Female 267 (18.0) 42 (18.8) 24 (14.0) 23 (21.5) 33 (17.4) 69 (20.8) 76 (16.5)   
Age group (years)
  ~ 25 205 (13.8) 42 (18.8) 18 (10.5) 17 (15.9) 34 (17.9) 43 (13.0) 51 (11.0) 25.692 0.041
  ~ 44 375 (25.3) 55 (24.7) 55 (32.2) 26 (24.3) 43 (22.6) 88 (26.6) 108 (23.4)   
  ~ 64 635 (42.8) 88 (39.5) 78 (45.6) 48 (44.9) 81 (42.6) 130 (39.3) 210 (45.5)   
  > 64 269 (18.1) 38 (17.0) 20 (11.7) 16 (15.0) 32 (16.8) 70 (21.1) 93 (20.1)   
Treatment history
 New cases 825 (55.6) 125 (56.1) 88 (51.5) 39 (36.4) 94 (49.5) 196 (59.2) 283 (61.3) 27.727 < 0.001
 Retreatment 659 (44.4) 98 (43.9) 83 (48.5) 68 (63.6) 96 (50.5) 135 (40.8) 179 (38.7)   
 cases
Contact history
 No 1313 (88.5) 206 (92.4) 154 (90.1) 90 (84.1) 167 (87.9) 285 (86.1) 411 (89.0) 7.745 0.171
 Yes 171 (11.5) 17 (7.6) 117 (9.9) 17 (15.9) 23 (12.1) 46 (13.9) 51 (11.0)   
 Total 1484 (100.0) 223 (15.0) 171 (11.5) 107 (7.2) 190 (12.8) 331 (22.3) 462 (31.1)