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Table 1 Baseline patient characteristics (N = 2198)

From: Impact of oral vitamin D supplementation on serum 25-hydroxyvitamin D levels in oncology

Characteristic Serum 25(OH)D levels p-value
  < = 32 ng/ml (n = 1651) > 32 ng/ml (n = 547)  
Gender    
   Males 628 (77.1) 186 (22.9) Chi-square
   Females 1023 (73.9) 361 (26.1) 0.09
Age at Presentation    
   Mean 55.2 55.7 2 sample t-test
   Median 55.9 55.8 0.32
   Range 18.6 - 92.1 21.1 - 89.6  
Treatment history    
   Newly Diagnosed 769 (73.2) 282 (26.8) Chi-square
   Previously Treated 882 (76.9) 265 (23.1) 0.04
Cancer Site    
   Breast 347 (69.4) 153 (30.6)  
   Lung 268 (81.7) 60 (18.3)  
   Pancreas 157 (73.4) 57 (26.6) Chi-square
   Colorectal 174 (85.3) 30 (14.7) < 0.001
   Prostate 132 (71.4) 53 (28.6)  
   Others 573 (74.7) 194 (25.3)  
Stage at Diagnosis    
   Stage 0 21 (75) 7 (25)  
   Stage 1 194 (73.2) 71 (26.8)  
   Stage 2 332 (73.8) 118 (26.2) Chi-square
   Stage 3 394 (76.7) 120 (23.3) 0.76
   Stage 4 566 (74.8) 191 (25.2)  
   Indeterminate 144 (78.3) 40 (21.7)  
  1. SD = Standard Deviation; Numbers in parenthesis for cancer site, gender, treatment history and stage at diagnosis are row percentages