Table 1.
Patient characteristics and outcomes
| In-hospital patientsa | Day surgery patientsa | |||||||
|---|---|---|---|---|---|---|---|---|
| Variable | Overall, (N = 8058) | 2019 (N = 4804) | 2021 (N = 3254) | p valueb | Overall (N = 2955) | 2019 (N = 1337) | 2021 (N = 1618) | p valueb |
| Age (years) | 63.0 (51.0, 72.0) | 62.0 (51.0, 72.0) | 63.0 (51.0, 73.0) | 0.03 | 57.0 (45.0, 67.5) | 57.0 (45.0, 68.0) | 57.0 (45.0, 67.0) | 0.8 |
| ASA Class | ||||||||
| ASA 1 | 1327.0 (18.6) | 898 (19.8) | 396 (18.7) | 0.003 | 817 (37.3) | 415 (35.1) | 402 (40.0) | 0.04 |
| ASA 2 | 4177.0 (58.4) | 2669 (59.6) | 1221 (57.0) | 1141 (52.1) | 634 (53.5) | 507 (50.5) | ||
| ASA 3/4 | 1648.0 (23.0) | 931 (20.6) | 516 (24.3) | 230 (10.5) | 135 (11.4) | 95 (9.5) | ||
| BMI | 25.2 (22.6, 28.1) | 25.0 (22.6, 27.8) | 25.3 (22.6, 28.4) | 0.20 | 24.8 (22.4, 27.6) | 24.9 (22.6, 27.7) | 24.6 (22.3, 27.4) | 0.3 |
| Cancelled surgery | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | > 0.99 | 1.0 (0.0) | 1 (0.1) | 0 (0.0) | 0.27 |
| Mortality | 27 (0.3) | 16 (0.3) | 11 (0.3) | > 0.99 | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | > 0.99 |
| LOS (days) | 3.0 (2.0, 7.0) | 3.0 (1.0, 7.0) | 3.0 (2.0, 7.0) | 0.01 | NA | NA | NA | |
| ICU admission | 409.0 (5.1) | 244 (5.1) | 165 (5.1) | > 0.99 | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | > 0.99 |
| ICU stay (days) | 1.0 (1.0, 2.0) | 1.0 (1.0, 2.0) | 1.0 (1.0, 2.0) | 0.90 | NA | NA | NA | |
| New hospitalization | 157.0 (1.9) | 95.0 (2.0) | 62.0 (1.9) | 0.89 | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | > 0.99 |
| In-hosp preop consultancies | 285.0 (3.5) | 168.0 (3.5) | 117.0 (3.6) | 0.87 | 9.0 (0.3) | 3.0 (0.2) | 6.0 (0.4) | 0.47 |
LOS Length of hospital stay, BMI Body mass index, ICU Intensive care unit, ASA American society of anaesthesiologists physical status classification
aVariables as median (IQR) or frequency (percentage)
bChi-square test or Mann–Whitney U test