Table 2.
Preoperative patient characteristics of pre-implementation and post-implementation groups
| Characteristics | Pre-implementation n = 115 |
Post-implementation n = 115 |
p-value |
|---|---|---|---|
| Age | |||
| Mean (SD) | 63.9 (10.27) | 64.6 (10.44) | 0.615 |
| Sex: n(%) | |||
| Female | 75 (65.2) | 78 (67.8) | 0.675 |
| Male | 40 (34.8) | 37 (32.2) | |
| BMI | |||
| Mean (SD) | 28.89 (5.96) | 27.49 (5.57) | 0.068 |
| ASA: n (%) | |||
| I | 25 (22.5) | 29 (25.2) | 0.732 |
| II | 52 (46.9) | 56 (48.7) | |
| III | 34 (30.6) | 30 (26.1) | |
| Smoking status: n (%) | |||
| Non-smoker | 106 (92.2) | 106 (92.2) | > 0.999 |
| Medical comorbidities: n(%) | |||
| Known diabetes mellitus | 5 (4.4) | 3 (2.6) | 0.722 |
| Coronary artery disease | 9 (7.8) | 9 (7.8) | > 0.999 |
| Respiratory disease | 24 (20.9) | 10 (8.7) | 0.015 |
| Anaemiaa | 12 (10.4) | 4 (3.5) | 0.067 |
| History of PONV | 35 (30.4) | 19 (16.7) | 0.014 |
| Chronic kidney injuryb | 4 (3.5) | 1 (0.9) | 0.175 |
| QoR-15 score | |||
| Mean (SD) | 113.94 (17.85) | 115.70 (17.17) | 0.447 |
| Worst NRS score mean: (SD) | |||
| Rest | 3.81 (2.73) | 3.58 (2.79) | 0.527 |
| Movement | 5.90 (2.47) | 5.92 (2.61) | 0.967 |
| OME consumption (mg/day) | |||
| Median (Q1, Q3) | 0 (0, 0) | 0 (0, 0) | 0.626 |
Abbreviations: ASA American Society of Anesthesiologists Physical Status classification, NRS numerical rating scale, OME oral morphine equivalents, PONV postoperative nausea and vomiting, QoR-15 Quality of Recovery-15 score, SD standard deviation
aAnaemia: < 128 g/l for men, < 115 g/l for women
bChronic kidney injury: creatinine > 0.13umol/l