Figure 3From: Analysis of vitamin D status at two academic medical centers and a national reference laboratory: result patterns vary by age, gender, season, and patient location 25(OH)D immunoassay – average concentration by age and sex – results by decade of life. A,B. Average 25(OH)D results at WCMC (A), UIHC (B), and ARUP (C) by age (in 10 year bins) and sex [female = red circles; male = blue circles]. Error bars are ± SD. * p < 0.05.Back to article page