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Table 1 Background characteristics and serum levels of 25-hydroxyvitamin D, intact parathyroid hormone, 1,25-dihydroxyvitamin D, and ionized calcium in Norwegians and Pakistanis

From: Pakistanis living in Oslo have lower serum 1,25-dihydroxyvitamin D levels but higher serum ionized calcium levels compared with ethnic Norwegians. The Oslo Health Study

  Men Women
  Norwegians n = 290 Pakistanis n = 94 P (ethnicity), ANOVA Norwegians n = 270 Pakistanis n = 67 P (ethnicity), ANOVA
Age (years) a 56 (55, 57) 43 (42, 45) < 0.001 55 (54, 56) 40 (38, 42) < 0.001
BMI, mean (SD) kg/m2 26.5 (3.4) 27.2 (3.8) 0.10 25.0 (4.1) 29.4 (4.9) < 0.001
s-25(OH)D (nmol/l) a 74.4 (71.7, 77.1) 30.0 (24.8, 35.3) < 0.001 76.2 (73.3, 79.1) 26.1 (19.4, 32.9) < 0.001
Range 27–207 6–68   19–168 6–70  
s-iPTH (pmol/l) a 5.2 (4.9, 5.4) 6.0 (5.4, 6.5) 0.013 5.0 (4.7, 5.4) 6.9 (6.2, 7.7) < 0.001
Range 1.3–15.5 1.4–13.5   1.2–15.5 2.4–18.0  
s-1,25(OH)2D (pmol/l) a 124 (120, 129) 94 (86, 102) < 0.001 122 (118, 127) 91 (81, 101) < 0.001
Range 60–251 43–214   35–225 58–258  
s-Ca2+ (mmol/l)a 1.26 (1.26, 1.27) 1.28 (1.27, 1.28) 0.031 1.26 (1.25, 1.26) 1.28 (1.27, 1.29) < 0.001
Range 1.15–1.36 1.19–1.45   1.15–1.39 1.18–1.36  
  1. a Means and 95% confidence intervals, with age adjustment done separately within the genders.