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Table 1 Hospital and demographic characteristics of nasopharyngeal cancer patients treated from 2008 to 2011 (n = 3605)

From: The impact of time factors on overall survival in patients with nasopharyngeal carcinoma: a population-based study

  Wait time P value Length of radiotherapy P value
Less than 4 weeks (N = 3288) More than 4 weeks (N = 317) Less than 10 weeks (N = 2201) More than 10 weeks (N = 1404)
  No. % N % No. % N %
Hospital characteristics      0.008      <0.001
Ownership           
 For Profit (n = 1915) 1770 53.8 145 45.7   1114 50.6 801 57.1  
 Non-profit (n = 563) 498 15.1 65 20.5   396 18.0 167 11.9  
 Public (n = 1127) 1020 31.1 107 33.8   691 31.4 436 31.1  
Teaching level      0.442      0.006
 Medical center (n = 2332) 2131 64.8 201 63.4   1394 63.3 938 66.8  
 Regional (n = 1121) 1015 30.9 106 33.4   724 32.9 397 28.3  
 District (n = 152) 142 4.3 10 3.2   83 3.8 69 4.9  
Patient characteristics           
Gender      0.498      0.151
 Male (n = 2711) 2472 75.2 239 75.4   1637 74.4 1074 76.5  
 Female (n = 894) 816 24.8 78 24.6   564 25.6 330 23.5  
Age group      <0.001      0.185
 0–44.99 years (n = 1239) 1166 35.5 73 23.0   733 33.3 506 36.0  
 45–64.99 years (n = 1916) 1739 52.9 177 55.8   1182 53.7 734 52.3  
 More than 65 years (n = 450) 383 11.6 67 21.1   286 13.0 164 11.7  
Treatment      <0.001      <0.001
 CCRTa (n = 2970) 2789 84.8 181 57.1   1705 77.5 1265 90.1  
 RTb alone (n = 635) 499 15.2 136 42.9   496 22.5 139 9.9  
Charlson comorbidity index score (mean = 0.3778)      <0.001      0.053
 Lower than mean (n = 2597) 2411 73.3 186 58.7   1611 73.2 986 70.2  
 Higher than mean (n = 1008) 877 26.7 131 41.3   590 26.8 418 29.8  
Urbanization of resdence      0.045      0.728
 Urban (n = 1149) 1056 32.1 93 29.3   692 31.4 457 32.5  
 Suburban (n = 1508) 1386 42.2 122 38.5   922 41.9 586 41.7  
 Rural (n = 948) 846 25.7 102 32.2   587 26.7 361 25.8  
Geographic region      <0.001      0.021
 Northern (n = 1745) 1745 53.1 133 42.0   1122 51.0 756 53.8  
 Central (n = 502) 502 15.3 53 16.7   370 16.8 185 13.2  
 Southern (n = 946) 946 28.8 113 35.6   636 28.9 423 30.1  
 Eastern (n = 95) 95 2.9 18 5.7   73 3.3 40 2.8  
  1. a CCRT concurrent chemoradiotherapy, b RT radiotherapy