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Table 2 25(OH)D, Calcium, Albumin, and PTH status by S-ECC and caries-free group

From: Vitamin D status of children with severe early childhood caries: a case–control study

Variable Overall value Caries status P value
S-ECC Caries-Free
N (%) 95% CI N (%) 95% CI
25(OH)D status
Mean (nmol/L) 75.4 ± 30.2 68.9 ± 27.9 / 82.9 ± 31.1 / <0.001
Optimal* (≥ 75 nmol/L)       
Yes 125 56 (44.8) 36.1,53.5 69 (55.2) 46.0,64.0 0.006
No 136 84 (61.8) 53.6,69.9 52 (38.2) 30.1,46.4  
Adequate* (≥ 50 nmol/L)       
Yes 218 111 (50.9) 44.3,57.6 107 (49.1) 42.4,55.7 0.05
No 43 29 (67.4) 53.4,81.4 14 (32.6) 18.6,46.6  
Deficient* (< 35 nmol/L)       
Yes 16 12 (75.0) 53.8,96.2 4 (25.0) 3.8,46.2 0.12a
No 245 128 (52.2) 46.0,58.5 117 (47.8) 41.5,54.0  
Calcium status
Mean (mmol/L) 2.3 ± 0.1 2.2 ± 0.1 / 2.4 ± 0.1 / <0.001
Low calcium*       
Yes 10 10 (100.0) 100,100 0 (0.0) 0,0 0.002a
No 248 130 (52.4) 46.2,58.6 118 (47.6) 41.4,53.8  
Low calcium (Corrected)*       
Yes 6 6 (100) 100,100 0 (0.0) 0,0  
No 252 134 (53.2) 47.0,59.3 118 (46.8) 41.0,53.0 0.03a
PTH status
Mean (ng/L) 47.3 ± 22.0 59.1 ± 21.8 / 32.9 ± 10.8 / <0.001
Elevated PTH*       
Yes 92 85 (92.4) 87.0,97.8 7 (7.6) 2.2,13.0 <0.001
No 162 55 (34.0) 26.7,41.2 107 (66.0) 58.7,73.3  
Albumin status
Mean (g/L) 38.4 ± 3.7 36.8 ± 3.1 / 40.3 ± 3.5 / <0.001
Low albumin*       
Yes 33 26 (78.8) 64.8,92.7 7 (21.2) 7.3,35.2 0.002
No 225 114 (50.7) 44.1,57.2 111 (49.3) 43.0,56.0  
  1. S-ECC = Severe Early Childhood Caries.
  2. †t-test, *chi-square, aFisher’s Exact Test.
  3. 95% CI = 95% Confidence Intervals.