Fig. 4From: Appropriate vitamin D loading regimen for patients with advanced lung cancerRelationships between body mass index (a) and baseline 25(OH)D concentration (b) with the final 25(OH)D concentration. Spearman r values: −0.33 (P = 0.0032) and 0.69 (P < 0.0001) respectively. The linear regression lines are indicatedBack to article page