Table 2 Characteristics of patients as per the COPD grades and Vitamin D levels
Feature | COPD grade | p | |
|---|---|---|---|
A–B | C–D | ||
Age | 65 (41–76) | 65 (52–79) | 0.320 |
Smoking (PY) | 40 (20–80) | 50 (20–100) | 0.250 |
COPD time from diagnosis | 4 (2–29) | 5 (2–20) | 0.178 |
FEV1/FVC (%) | 64 (48–70) | 51 (33–64) | 0.000 |
FEV1 (mL) | 66 (44–80) | 35 (14–67) | 0.000 |
FVC (mL) | 86 (61–100) | 54 (23–86) | 0.000 |
BMI | 25 (14–32) | 23 (19–38.6) | 0.956 |
MRC | 1 (0–2) | 2,2 (0–3) | 0.011 |
CAT | 9 (4–19) | 12 (6–26) | 0.012 |
Vitamin D | 14.7 (7–34.9) | 8.6 (4.2–16.9) | 0.000 |
FRAX score (major osteoporotic %) | 4.4 (2.3–15) | 4.7 (2.1–26) | 0.956 |
FRAX score (hip fracture %) | 1.4 (0.3–11) | 1.6 (0.3–19) | 0.740 |