Table 1 Demographic data
Ethnicity | Control (N = 50) N (%) | Treatment (N = 50) N (%) | Total (N = 100) |
|---|---|---|---|
Maori | 8 (16) | 2 (4) | 10 |
Pacific Island | 6 (12) | 3 (6) | 9 |
New Zealand European | 32 (64) | 34 (68) | 66 |
Other European | 2 (4) | 5 (10) | 7 |
Asian | 2 (4) | 3 (6) | 5 |
Middle Eastern/Latin American/African | 0 | 3 (6) | 3 |
Sex | Control (N = 50) N (%) | Treatment (N = 50) N (%) | Total (N = 100) |
Male | 29 (58) | 27 (54) | 56 |
Female | 21 (42) | 23 (46) | 44 |
Surgical specialty | Control (N = 50) N (%) | Treatment (N = 50) N (%) | Total (N = 100) |
Orthopaedics | 16 (32) | 24 (48) | 40 |
Urology | 14 (28) | 7 (14) | 21 |
General Surgery | 16 (32) | 15 (30) | 31 |
Vascular | 3 (6) | 3 (6) | 6 |
Neurosurgery | 1(2) | 1 (2) | 2 |
American Society of Anesthesiologists (ASA) physical status score | Control (N = 50) N (%) | Treatment (N = 50) N (%) | Total (N = 100) |
I | 9 (18) | 14 (28) | 23 |
II | 27 (54) | 23 (46) | 50 |
III | 13 (26) | 12 (24) | 25 |
IV | 0 (0) | 1 (2) | 1 |
Unknown | 1(2) | 0 (2) | 1 |
Mean fasting time | Control (N = 50) h (SD) | Treatment (N = 50) h (SD) | |
Food | 13.5 (3.1) | 13.9 (2.7) | |
Fluid | 4.7 (3.3) | 3.7 (3.2) |