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Selected Characteristics
| No. of Patients | 749 |
|---|---|
| Age (years), mean (IQR) | 63 (57–67) |
| Indication | |
| Screening | 387 (51.7%) |
| Surveillance | 362 (48.3%) |
| Withdrawal time (minutes), mean ± S.E. | 23.8 ± 0.4 |
| Aronchick Score | |
| Excellent | 170 (22.7%) |
| Good | 347 (46.3%) |
| Fair | 130 (17.4%) |
| Poor | 102 (13.6%) |
