From: Vitamin D deficiency in patients with cystic fibrosis: a systematic review and meta-analysis
 | WMD | 95% CI | I2 |
---|---|---|---|
Pediatrics/adolescents group | − 3.41 | − 5.02 to − 1.80 | 17.8% |
Adults group | − 2.60 | − 4.32 to − 0.89 | 0.0% |
Results of cross-sectional studies meta-analysis | ||||||
---|---|---|---|---|---|---|
 | Vitamin D levels of 20–30 ng/ml | Vitamin D levels < 20 ng/m | ||||
Prevalence | 95% CI | I2 | Prevalence | 95% CI | I2 | |
Pediatrics/adolescents group | 0.36 | 0.04 to 0.68 | 98.11% | 0.27 | 0.09 to 0.45 | 95.42% |
Adults group | 0.63 | 0.57 to 0.69 | 98.14% | 0.35 | 0.13 to 0.57 | 98.16% |