Table 1 A summary of participant characteristics and surgical information. Values are mean (SD), median [range], or number (proportion)
| Â | n = 12 |
|---|---|
Age, years | 61.7 (9.21) |
Sex | |
 Male | 7 (58%) |
 Female | 5 (42%) |
BMI* | 30 (6.13) |
Pre-operative hemoglobin, g/L | 125 (21.9) |
ASA**physical status score | |
 1 | 2 (16.7%) |
 2 | 8 (66.7%) |
 3 | 2 (16.7%) |
Cancer surgery | |
 Yes | 10 (83%) |
 No | 2 (17%) |
Surgical technique | |
 Laparoscopic assisted | 10 (83%) |
 Open (converted) | 2 (17%) |
Surgical procedure | |
 Right hemi-colectomy | 6 (50%) |
 Anterior resection | 3 (25%) |
 Ultra-low anterior resection | 1 (8%) |
 Hartmann’s procedure | 1 (8%) |
 Sub-total colectomy | 1 (8%) |
Duration of procedure in min (skin incision to closure) | 190 (69.7) |
Length of stay in days | 5.41 (2.96) |
POMS*** score day 5 | 0 [0-2] |
Ambient temperature at time of measurement in °C | 23.6 (1.11) |
Participant temperature at the time of measurement in °C | 36.7 (0.38) |
Time between completion of surgery and time of first post-operative oxygen consumption reading in hours | 16.5 (2.34) |