Table 1.
Patient demographics, all averages are expressed as a mean except age which is non-parametric data
| Male n (%) | 58 (56) |
|---|---|
| Age yrs (median (IQR)) | 69.5 (14.7) |
| Mean blood pressure taken > 12hrs preoperatively, mean (min–max) | 135/78 (102/58 -175/101) |
| Height (cm), mean (min–max) | 170 (146–189) |
| Weight (kg), mean (min–max) | 82 (48–139) |
| Co-Morbidities n(%) | |
| Hypertension | 47 (45) |
| Cancer | 28 (27) |
| Ischaemic heart disease | 14 (13) |
| Rheumatological disease | 9 (9) |
| Atrial fibrillation | 9 (9) |
| Chronic obstructive pulmonary disease | 5 (5) |
| Chronic kidney disease | 2 (2) |
| Anti-hypertensive medication (taken on day of surgery) n(%) | |
| ACEI | 10 (10) |
| ARB | 1 (1) |
| CCB | 5 (5) |
| Beta blocker | 12 (12) |
| Diuretic | 7 (7) |
| Alpha blocker | 1 (1) |
| None | 74 (71) |
ACEI Angiotensin converting enzyme inhibitor, ARB Angiotensin receptor blocker, CCB Calcium channel blocker