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Comparison Between Patients Enrolled in the Study and Those Who Refused to Participate
| Variable | Enrolled (n = 50) | Refused (n = 24) |
| Age, mean ± SD, y | 37.9 ± 12.8 | 45.8 ± 14.7 |
| Length of stay, mean ± SD, d | 22.8 ± 12.2 | 22.5 ± 11.9 |
| Gender, male, n (%) | 26 (52.0) | 19 (65.5) |
