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Table 2 Mean baseline serum 25(OH)D levels stratified by top 5 cancer sites (N = 2198)

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

Site of tumor Mean 25(OH)D in ng/mL SD ANOVA p-value
All Cancers (n = 2198) 25.1 15.1 < 0.001
Breast (n = 500) 27.9 17.6  
Lung (n = 328) 22.7 11.9  
Pancreas (n = 214) 24.4 15.3  
Colorectal (n = 204) 21.6 11.4  
Prostate (n = 185) 26.8 14.6  
Others (n = 767) 25.0 15.0  
  1. SD = Standard Deviation