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Table 1 Characteristics of 71 patients with vitamin D supplementation

From: Efficacy of daily 800 IU vitamin D supplementation in reaching vitamin D sufficiency in nursing home residents: cross-sectional patient file study

  Total group Supplementation by capsules Supplementation by drops P
Subjects (females/males), n 71 (46/25) 52 (38/14) 19 (16/3) 0.5
Age in years, mean (SD) 83 (7) 83 (7) 82 (8) 0.4
Serum 25(OH)D1 nmol/L, mean (SD) 77 (30) 90 (22) 41 (18) <0.001
Ser. 25(OH)D in residents, % (n)     
≥75 61 (43) 80 (42) 5 (1)  
≥50-74.9 17 (12) 14 (7) 26 (5)  
30-49.9 nmol/L 14 (10) 6 (3) 37 (7)  
< 30 nmol/L 8 (6) 0 (0) 32 (6)  
Duration supplementation% (n)     <0.001
3-6 months 24 (17) 33 (17) 0 (0)
12-18 months 45 (32) 60 (31) 5 (1)
>18 months 31 (22) 7 (4) 95 (18)
Subjects with sunlight exposure >1 × week% (n) 61 (43) 44 (23) 74 (14) 0.2
Number of medications% (n)     0.9
<5 73 (52) 73 (38) 74 (14)
>5 27 (19) 27 (14) 26 (5)
Medication influencing 25(OH)D 15 (11) 15 (8) 15 (3) 0.8
- anticonvulsants 1 (1) 2 (1) 0
- corticosteroids 14 (10) 13 (7) 15 (3)
FAC2, % (n)     0.3
0 39 (27) 43 (23) 21 (4)
1 11 (8) 10 (5) 16 (3)
2 11 (8) 10 (5) 16 (3)
3 14 (10) 10 (5) 26 (5)
4 21 (15) 23 (12) 16 (3)
5 4 (3) 4 (2) 5 (1)
BMI3, % (n)     0.01
<20 underweight 55 (39) 60 (31) 42 (8)
20-25 healthy weight 34 (24) 34 (18) 32 (6)
>25 overweight 11 (8) 6 (3) 26 (5)
MDRD4, % (n)     0.7
<60 31 (22) 33 (17) 26 (5)
>60 69 (49) 67 (35) 74 (14)
Chronic disease5, % (n)     0.6
≤2 73 (52) 73 (38) 74 (14)
>2 27 (19) 27 (14) 26 (5)
  1. Values are mean (SD) or number (percentage).