Table 1.
Baseline patient characteristics
| Variable | Number of encounters | Training | Test |
|---|---|---|---|
| Cohort characteristics | Total n = 67,077 | Total n = 53,661 | Total n = 13,416 |
| Demographic | |||
| Age (years), mean (s.d) | 57.0 ± 14.8 | 57.0 ± 14.7 | 56.9 ± 14.9 |
| Gender, n(%) | |||
| Male | 29,608 (44.1) | 23,386 (43.6) | 5,934 (44.2) |
| Female | 37,469 (55.9) | 30,275 (56.4) | 7,482 (55.8) |
| Body mass index (kg/m2), mean (s.d) | 24.5 ± 3.8 | 24.5 ± 3.8 | 24.5 ± 3.8 |
| Disease characteristics | |||
| Cancer, n(%) | 866 (1.3) | 688 (1.3) | 178 (1.3) |
| Hypertension, n(%) | 13,962 (20.8) | 13,015 (24.3) | 3,750 (28.0) |
| Diabetic mellitus, n(%) | 6,068 (9.0) | 6,068 (9.1) | 1,194 (8.9) |
| Liver disease, n(%) | 2,282 (3.4) | 1,761 (3.3) | 383 (2.9) |
| Renal disease, n(%) | 843 (1.3) | 690 (1.3) | 162 (1.2) |
| In-hospital death, n(%) | 515 (0.8) | 413(0.8) | 102 (0.8) |
| Visit path | |||
| Outpatient- immediate | 2,734 (4.1) | 2,186 (4.1) | 548 (4.1) |
| Outpatient- reservation | 55,467 (82.7) | 44,425 (82.8) | 11,042 (82.3) |
| Inpatient | 12,956 (19.3) | 10,374 (19.3) | 2,585 (19.2) |
| Emergency Room | 5,868 (8.7) | 4,676 (8.7) | 1,192 (8.9) |
| Department transfer, n(%) | 5,967 (8.9) | 4,764 (8.9) | 1,203 (9.0) |
|
Length of stay after surgery, mean (s.d.) |
6.7 ± 4.7 | 6.7 ± 4.7 | 6.7 ± 4.6 |