Table 1.
Participant demographics
| Characteristic | Sham-RIPC (n = 43) | RIPC (n = 41) | P = |
|---|---|---|---|
| Age, years a | 60 (±15) | 65 (±12) | 0.261† |
| Male sex | 25 (65%) | 21 (51%) | 0.271 |
| BMI, kg/m2 a | 25.5 (22.8, 31.1) | 27.0 (22.5, 29.3) | 0.589‡ |
| Abnormal baseline ECG | 9 (21%) | 5 (12%) | 0.385 |
| Pre-op Creatinine (μmol/L) a | 81 (±20) | 76 (±17) | 0.431† |
| Cardiac RFs | |||
| Hypercholesterolaemia | 8 (19%) | 6 (15%) | 0.772 |
| Hypertension | 11 (26%) | 11(27%) | 1 |
| FHx IHD | 8 (19%) | 8 (19%) | 1 |
| Ex/current smoking | 29 (67%) | 21 (49%) | 0.182 |
| Coronary Artery Disease | 5 (12%) | 1 (2%) | 0.202 |
| Diabetes | 2 (5%) | 3 (7%) | 0.672 |
| ASA | 0.714 | ||
| I | 7 (16%) | 5 (12%) | |
| II | 29 (67%) | 29 (71%) | |
| III | 7 (16%) | 6 (15%) | |
| IV | 0 | 1 (2%) | |
| Maintenance anaesthesia | 0.645 | ||
| Propofol | 3 (7%) | 4 (10%) | |
| Desflurane | 40 (93%) | 37 (90%) | |
| Surgical procedure | 0.857 | ||
| Small Bowel | 3 (7%) | 5 (12%) | |
| Right hemicolectomy | 12 (28%) | 11 (27%) | |
| Left hemicolectomy | 1 (2%) | 0 | |
| Rectum or sigmoid colon | 21 (49%) | 19 (46%) | |
| Colectomy/Proctocolectomy | 3 (7%) | 4 (10%) | |
| Other | 3 (7%) | 2 (5%) | |
BMI body mass index, ECG electrocardiogram, FHx IHD family history of ischaemic heart disease
aDescriptives given as counts (percentages), except for continuous data, which is given as mean (± standard deviation), or median (25% percentile, 75% percentile)
P-values calculated with Fisher’s exact test, †Student’s t-test, or ‡Mann-Whitney U-test