Table 1.
General characteristics of the patients studied.
| Pre-implementation | Post-implementation | |
|---|---|---|
| General characteristics | (n = 801) | (n = 801) |
| Female, no. (%) | 312 (38.9) | 348 (43.4) |
| Age, year | 61.2 ± 18,0 | 60.4 ± 18.4 |
| Non-elective hospital admission, no. (%) | 220 (27.5) | 216 (27.0) |
| Non-elective intervention, no. (%) | 138 (17.2) | 147 (18.4) |
| Length of preop stay | 1.65 (3.3) | 1.65 (3.5) |
| Diagnoses (CADB) | 4.3 (3.6) | 3.9 (3.1) |
| Procedures (CADB) | 2.3 (2.0) | 2.2 (2.1) |
| Comorbidities, risk factor or analytical alterations | 2.2 (1.76) | 2.2 (1.60) |
| Diagnoses related group weight | 2.7 (4.2) | 2.7 (3.6) |
| Duration of the surgical intervention (min) | 81.8 (71.3) | 90.1 (77.8) |
| Anaesthesia type, no. (%)† | ||
| General | 430 (53.7) | 520 (64.9) |
| Spinal | 279 (34.8) | 199 (24.8) |
| Epidural | 3 (0.4) | 5 (0.6) |
| Others | 89 (11.1) | 77 (9.6) |
| Surgical wound classification, no. (%) | ||
| Clean | 367 (45.8) | 341 (42.6) |
| Clean-contaminated | 325 (40.6) | 359 (44.8) |
| Contaminated | 35 (4.4) | 29 (3.6) |
| Dirty | 74 (9.2) | 72 (9.0) |
| ASA classification, no. (%) | ||
| 1 | 198 (26.0) | 195 (25.4) |
| 2 | 293 (38.4) | 292 (38.1) |
| 3 | 203 (26.6) | 222 (28.9) |
| 4 | 69 (9.0) | 58 (7.6) |
| Surgical specialty, no. (%) | ||
| Ophthalmology | 4 (0.5) | 2 (0.2) |
| Otorhinolaryngology | 20 (2.5) | 19 (2.4) |
| General surgery | 259 (32.3) | 249 (31.1) |
| Traumatology | 217 (27.1) | 208 (26.0) |
| Urology | 89 (11.1) | 98 (12.2) |
| Neurosurgery | 55 (6.9) | 56 (7.0) |
| Cardiac surgery | 65 (8.1) | 70 (8.7) |
| Thoracic surgery | 31 (3.9) | 32 (4.0) |
| Vascular surgery | 61 (7.6) | 67 (8.4) |
†
P < 0.05 in the comparison of pre-implementation vs. post-implementation phase. ASA, American Society of Anesthesiologists Physical Status; CADB, clinical and administrative database.