Age and Sex Distribution by Treatment Group
| Non-CT Group | CT Group | |||
|---|---|---|---|---|
| Intervention | n=159 | n=203 | Difference of the Means | P Value |
| Mean age, years (range) | 31.3 (18-76) | 34.9 (18-83) | 3.6 (95% CI, 0.62-6.6) | <0.001 |
| Male, n (%) | 92 (57.8) | 113 (55.7) | N/A | 0.68 |
CI, confidence interval; CT, computed tomography; N/A, not applicable.