| Patient Variables Associated with Early Versus Late Stone Formation | ||
|---|---|---|
| Odds Ratio | Confidence Interval (2.5–97.5%) | |
| Gender (Female) | 2.03 | 1.17–3.54 | 
| Race (Non-Caucasian) | 0.83 | 0.46–1.47 | 
| BMI > 30 | 0.51 | 0.26–0.94 | 
| Family History of Nephrolithiasis | 0.94 | 0.54–1.63 | 
| Infectious symptoms on Presentation | 1.46 | 0.68–2.97 | 
| More than 1 prior stone episode | 2.02 | 1.13–3.78 |