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Association analyses of outcomes in patients with asthma participating in the VIDA trial stratified by groups of free vitamin D3 concentrations 12 weeks (visit 6) following the beginning of supplementation.
| TREATMENT OUTCOMES | VITAMIN D3 Cf, pg/ml (number of participants) | p value | ||
|---|---|---|---|---|
| <9 (65) | 9 – 12 (84) | >12 (48) | ||
| Overall treatment failure rate/person-yr | 0.60 | 0.53 | 0.69 | 0.51 |
| Overall exacerbation rate/person-yr | 0.28 | 0.15 | 0.42 | 0.22 |
