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Table 3 Univariate analysis of PTB and biological factors

From: Space-time clustering and associated risk factors of pulmonary tuberculosis in southwest China

Variable Group Outside the cluster Within the cluster χ 2 P-value OR (95% CI)
No. % No. %
Age < 15 9 1.3 31 3.8 12.431 0.000 4.054 (1.862–8.826)
15–29 189 27.2 291 35.8 15.395 0.000 1.812 (1.347–2.439)
30–44 164 23.6 212 26.1 7.031 0.008 1.521 (1.116–2.075)
45–59 180 25.9 149 18.3 0.026 0.873 0.974 (0.708–1.340)
≥ 60 153 22 130 16    1.000
Gender Male 489 70.4 549 67.5 1.400 0.237 0.876 (0.704–1.091)
Female 206 29.6 264 32.5    1.000
BCG vaccination No 300 65.8 325 76.1 11.269 0.001 1.657 (1.234–2.225)
Yes 156 34.2 102 23.9    1.000
BMI value < 18.5 112 16.5 87 11 10.062 0.002 0.612 (0.452–0.829)
≥ 25 54 7.9 50 6.3 2.359 0.125 0.730 (0.488–1.091)
18.5–24.9 514 75.6 652 82.6    1.000
Chronic bronchitis Yes 121 17.4 364 44.8 121.108 0.000 3.846 (3.025–4.888)
No 574 82.6 449 55.2    1.000
Diabetes Yes 19 2.7 14 1.7 1.761 0.184 0.623 (0.310–1.253)
No 676 97.3 799 98.3    1.000
HIV/AIDS Yes 3 0.4 1 0.1 1.186 0.276 0.284 (0.029–2.737)
No 692 99.6 812 99.9    1.000
Kidney disease Yes 1 0.1 4 0.5 1.214 0.271 3.431 (0.383–30.772)
No 694 99.9 809 99.5    1.000
Mental disease Yes 2 0.3 1 0.1 0.483 0.487 0.427 (0.039–4.716)
No 693 99.7 812 99.9    1.000
Parasitic infection Yes 0 0 2 0.3 0.000 0.999 0.000 (0.000–0.000)
No 588 100 582 99.7    1.000
Pneumoconiosis Yes 16 2.3 6 0.7 5.739 0.017 0.316 (0.123–0.811)
No 679 97.7 807 99.3    1.000
Other bio-related complication(s) Yes 125 18 69 8.5 28.942 0.000 0.423 (0.309–0.579)
No 570 82 744 91.5    1.000
  1. HIV Human immunodeficiency virus, AIDS Acquired immune deficiency syndrome