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Table 2 Cox proportional hazards analysis on health system delay (HSD) for patients with tuberculosis (TB) in Taiwan (n = 3115)e

From: Health system delay among patients with tuberculosis in Taiwan: 2003–2010

Variable Number Person-years Univariable   Multivariablec  
    HR (95 % CI) P value HR (95 % CI) P value
Age
  < 30 466 53.2 1.00   1.00  
  ≥ 30 and <45 554 75.5 0.87 (0.77–0.98) 0.030 0.89 (0.79–1.00) 0.050
  ≥ 45 and <65 957 135.9 0.85 (0.76–0.95) 0.005 0.81 (0.72–0.91) <0.001
  ≥ 65 1138 198.8 0.72 (0.65–0.80) <0.001 0.68 (0.62–0.76) <0.001
Sex
 Female 952 152.8 0.91 (0.84–0.98) 0.021 0.88 (0.82–0.96) 0.003
 Male 2163 310.8 1.00   1.00  
Salary
  < $17880 NTDa per month 1810 261.7 1.00   1.00  
  ≥ $17880 NTD per month 1305 201.9 0.94 (0.87–1.00) 0.080 1.00 (0.93–1.08) 0.901
Patient typeb
 Inpatient 427 26.9 1.00   1.00  
 Outpatient 2688 436.6 0.44 (0.39–0.49) <0.001 0.54 (0.48–0.60) <0.001
Specialty typeb
 Non-TB-related 2441 429.5 0.36 (0.33–0.40) <0.001 0.47 (0.42–0.52) <0.001
 TB-relatedd 674 34.1 1.00   1.00  
Medical care levelb
 Medical center 481 46.8 1.09 (0.96–1.23) 0.170 0.79 (0.69–0.90) <0.001
 Regional hospital 706 64.9 1.15 (1.02–1.29) 0.010 0.89 (0.79–1.01) 0.079
 District hospital 488 53.0 1.00   1.00  
 Clinic 1440 298.8 0.58 (0.52–0.64) <0.001 0.75 (0.67–0.83) <0.001
Regionb
 Central 532 80.5 0.79 (0.66–0.95) 0.010 0.83 (0.69–0.99) 0.045
 Eastern 150 17.2 1.00   1.00  
 KaoPing 630 98.7 0.77 (0.65–0.92) 0.005 0.79 (0.66–0.94) 0.010
 Northern 379 59.1 0.78 (0.64–0.94) 0.010 0.71 (0.59–0.86) <0.001
 Southern 501 77.8 0.79 (0.66–0.95) 0.010 0.75 (0.62–0.90) 0.002
 Taipei 923 130.1 0.83 (0.70–0.99) 0.040 0.80 (0.67–0.95) 0.012
Distance (logarithm) - - 0.94 (0.930.94) <0.001 0.96 (0.95–0.97) <0.001
  1. a$17 880 NTD (New Taiwan Dollar) is the monthly minimum wage in Taiwan
  2. bInitial visit
  3. cAdjusted for all other variables in the table
  4. dChest, Chest Surgery, TB, Infectious Disease, and Pulmonary and Critical Care
  5. eTwo patients whose care visits (initial or the initiation of TB treatment) outside the island of Taiwan were excluded