Table 2 Patient and clinical characteristic, N = 3078
Variables | Year 1, June 2015-May 2016 | Year 2, June 2016-May 2017 | Year 3, June 2017-May 2018 | Year 4, June 2018-May 2019 | Year 5, June 2019 March 2020 | p Over the periods |
|---|---|---|---|---|---|---|
Patients’ characteristics | n = 406 | n = 655 | n = 700 | n = 691 | n = 626 |  |
Age, years | 83.8 (8.0), 85 (79; 90) | 84.8 (7.7), 86 (80; 91) | 83.9 (8.3), 85 (78; 90) | 83.9 (8.3), 85 (78; 90) | 83.6 (8.2), 84 (77; 90) | 0.091 |
Gender, female | 294 (72.4) | 446 (68.1) | 493 (70.4) | 501 (72.5) | 443 (70.8) | 0.63 |
ASA | ||||||
 I | 15 (3.7) | 14 (2.1) | 11 (1.6) | 29 (4.2) | 16 (2.6) |  |
 II | 165 (40.6) | 264 (40.3) | 257 (36.7) | 286 (41.4) | 258 (41.2) |  |
 III | 196 (48.3) | 333 (50.8) | 390 (55.7) | 343 (49.6) | 312 (49.8) |  |
 IV | 30 (7.4) | 44 (6.7) | 42 (6.0) | 33 (4.8) | 40 (6.4) | 0.34 |
Diabetes mellitus | 57 (14.0) | 105 (16.0) | 102 (14.6) | 108 (15.6) | 104 (16.6) | 0.38 |
Clinical characteristics | ||||||
 Hospital length of stay, days | 14.7 (7.2) 14 (10; 17) | 13.4 (7.7) 13 (8; 17) | 12.2 (6.4) 11 (8; 15) | 10.6 (5.2) 10 (7; 13) | 9.75 (4.4) 9 (7; 12) | < 0.0001 |