Table 3 Univariate Cox regression analysis of demographic factors and laboratory results
Variables | HR (95% CI) | P |
|---|---|---|
Sex | Â | Â |
  Males | 1 |  |
  Females | 0.983 (0.419, 2.307) | 0.969 |
Age | Â | Â |
  ≤60 years | 1 |  |
  > 60 years | 2.425 (1.185, 4.960) | 0.015 |
BMI | Â | Â |
  <18.5 kg/m2 | 1 |  |
  ≥18.5 kg/m2 | 1.063 (0.453, 2.495) | 0.887 |
Tobacco smoking | Â | Â |
  Never | 1 |  |
  Ever | 1.133 (0.560, 2.291) | 0.729 |
Alcohol drinking | Â | Â |
  Never | 1 |  |
  Ever | 0.930 (0.444, 1.946) | 0.846 |
Education | Â | Â |
  Illiterate or semi-illiterate | 1 |  |
  Primary school | 0.489 (0.179, 1.337) | 0.164 |
  Middle school | 0.424 (0.148, 1.212) | 0.109 |
  High school | 0.368 (0.109, 1.247) | 0.108 |
  University or college education | 0.460 (0.091, 2.316) | 0.346 |
Marriage status | Â | Â |
  Unmarried | 1 |  |
  Married | 2.692 (0.634, 11.420) | 0.179 |
  Divorced or widowed | 2.274 (0.317, 16.260) | 0.413 |
Economic level | Â | Â |
  Top | 1 |  |
  Middle | 1.868 (0.396, 8.804) | 0.429 |
  Bottom | 1.518 (0.343, 6.717) | 0.582 |
Occupational status | Â | Â |
  Farmer | 1 |  |
  Laborer/sales/housekeeping | 0.544 (0.187,1.581) | 0.263 |
  Professional/supervisory/technical | 1.754 (0.685, 4.490) | 0.242 |
Diabetes mellitus | Â | Â |
  No | 1 |  |
  Yes | 1.529 (0.648, 3.617) | 0.332 |
ATT history | Â | Â |
No | 1 | Â |
Yes | 2.212 (0.911, 5.367) | 0.079 |
Treatment regimen | Â | Â |
  2HRZE/4HR | 1 |  |
  Others | 2.314 (0.846, 6.333) | 0.102 |
Treatment compliance | Â | Â |
  Good | 1 |  |
  Poor | 3.194 (1.087, 9.381) | 0.035 |
Sputum smear at diagnosis | Â | Â |
  0 | 1 |  |
  Scanty or 1+ | 0.618 (0.225, 1.696) | 0.351 |
  2+ | 1.127 (0.364, 3.487) | 0.836 |
  3+ | 0.725 (0.241, 2.183) | 0.568 |
Pulmonary cavity | Â | Â |
  Absence | 1 |  |
  Presence | 0.832 (0.393, 1.762) | 0.631 |
CXR score | 1.001 (0.989, 1.014) | 0.876 |
Symptom score | 1.231 (0.992, 1.529) | 0.060 |
Delayed treatment | 1.000 (0.997, 1.003) | 0.800 |
Risk score | 4.980 (3.030, 8.185) | < 0.001 |