Table 2: Vitamin
D deficiency in relation to stage of COPD.
PFT stage |
Total no. of patients |
vitamin D (< 20 ng/ml) |
Percentage |
GOLD group |
Total no. of patients |
vitamin D (< 20 ng/ml) |
Percentage |
I |
16 |
6 |
37.50% |
A |
42 |
14 |
33.33% |
II |
63 |
26 |
41.27% |
B |
23 |
9 |
39.13% |
III |
70 |
52 |
74.29% |
C |
21 |
10 |
47.62% |
IV |
33 |
27 |
81.82% |
D |
96 |
81 |
84.37% |