Table 4.
Mean serum levels of vitamin D (VD) in relation to main characteristics of patients with ulcerative colitis (UC)
| Patient characteristics | VD levels (ng/ml) | P |
|---|---|---|
|
Age, < 50 years (n = 30) ≥ 50 years (n = 41) |
18.6 ± 7.8 19.8 ± 5.9 |
0.455 |
|
Gender, males (n = 46) females (n = 25) |
20.1 ± 7.3 17.9 ± 5.4 |
0.182 |
|
Body mass index, ≤ 25 kg/m2 (n = 42) > 25 kg/m2 (n = 29) |
18.5 ± 7.3 20.6 ± 5.7 |
0.201 |
|
Smoking, yes (n = 14) no (n = 57) |
20.8 ± 5.1 19 ± 7.1 |
0.384 |
|
Disease duration, ≤ 6 years (n = 36) > 6 years (n = 35) |
20.3 ± 6.8 18.4 ± 6.7 |
0.251 |
|
Montreal classification, E1 (n = 7) E2 (n = 27) E3 (n = 37) |
24.1 ± 5.1 21.0 ± 6.9 17.2 ± 6.3 |
0.011 |
|
Simple Clinical Colitis Activity index, < 1 (n = 14) ≥ 1 (n = 57) |
18.7 ± 5.9 19.5 ± 6.9 |
0.710 |
|
Clinical Mayo score, ≤ 1 (n = 9) > 1 (n = 52) |
21.8 ± 5.6 18.9 ± 6.9 |
0.033 |
|
Endoscopic Mayo score, ≤ 1 (n = 31) > 1 (n = 30) |
19.9 ± 6.2 19.5 ± 7.9 |
0.823 |
|
C-Reactive Protein, ≤ 5 mg/l (n = 48) > 5 mg/l (n = 23) |
19.9 ± 6.8 18 ± 5.8 |
0.257 |
|
Stool calprotectin, ≤ 87 μg/mg (n = 23) > 87 μg/mg (n = 21) |
20.6 ± 7.9 20.2 ± 6.6 |
0.868 |
|
Treatment, n (%) Biologic agent(s) ± other agents (n = 26) Azathioprine without biologic (n = 5) Steroids ± mesalazine (n = 13) Mesalazine only (n = 26) |
17.8 ± 6.2 16.2 ± 7.9 20.1 ± 7 20.9 ± 7 |
0.283 |