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Table 3 Comparison of vitamin D status based on serum concentration of 25(OH)D between groups

From: Evaluation of the efficacy of two doses of vitamin D supplementation on glycemic, lipidemic and oxidative stress biomarkers during pregnancy: a randomized clinical trial

Group Before intervention After intervention p value1
Deficient Insufficient Sufficient Deficient Insufficient Sufficient
1000 IU/day, n (%) 26 (70.3) 5 (13.5) 6 (16.2) 3 (8.1) 20 (54.1) 14 (37.8) 0.04
2000 IU/day, n (%) 20 (55.6) 11 (30.6) 5 (13.9) 2 (5.6) 10 (27.8) 24 (66.7)
Total, n (%) 46 (63) 16 (21.9) 11 (15.1) 5 (6.8) 30 (41.1) 38 (52.1)
  1. 1Denotes the significance of differences in the distribution of vitamin D categories between the 2 groups (chi-square test)
  2. Deficiency is defined as < 50 nmol/L, insufficiency as 50–75 nmol/L, and sufficiency as > 75 nmol/L