Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Relationship between serum level of vitamin D and asthma severity based on GINA classification
| Vitamin D | Asthma Severity (GINA)* | ||
|---|---|---|---|
| Intermittent | Mild Persistent | Moderate Persistent | |
| Deficient (<20 ng/ml) | 86 (58.1%) | 20 (52.6%) | 6 (42.9%) |
| Insufficient (20–30 ng/ml) | 32 (21.6%) | 12 (31.6%) | 4 (28.6%) |
| Sufficient (>30 ng/ml) | 30 (20.3%) | 6 (15.8%) | 4 (28.6%) |
GINA: Global Initiative for Asthma; P-value=0.6
