Table 5. Post-operative outcomes for low, medium, high and highest risk groups categorised by pre-chemotherapy/chemoradiotherapy oxygen uptake at anaerobic threshold (ml.kg -1.min -1).
| Low (n=21) | Medium (n=39) | High (n=38) | Highest (n=11) | |
|---|---|---|---|---|
| Post-Operative Morbidity Survey (POMS) | ||||
| Day 3 a | 20 (95.2%) | 31 (79.5%) | 33 (86.8%) | 10 (90.9%) |
| Day 5 b | 20 (95.2%) | 30 (76.9%) | 26 (68.4%) | 7 (63.6%) |
| Day 8 c | 5 (23.8%) | 21 (53.8%) | 20 (52.6%) | 5 (45.5%) |
| Day 15 d | 4 (19.0%) | 7 (17.9%) | 5 (13.2%) | 1 (9.1%) |
| Length of Stay (days) a | 12 (9-15) | 13 (10-18) | 11 (9-14.5) | 13.5 (7-16) |
| O-POSSUM Physiology score a | 16.4 (3.3) | 17.0 (3.4) | 17.7 (2.9) | 17.4 (2.8) |
| O-POSSUM Mortality score a | 7.8 (4.9) | 10.0 (6.0) | 12.6 (6.7) | 11.5 (5.0) |
| RCRI (total score) a | 1.0 (0.2) | 1.1 (0.4) | 1.2 (0.5) | 1.5 (0.8) |
| Level 2/3 Length of Stay a | 4 (3-7) | 4 (3-5) | 4 (2-6) | 4 (3-5) |
| Discharge Destination | ||||
| Home | 20 (95.2%) | 39 (100%) | 30 (78.9%) | 5 (45.5%) |
| Intermediate care | 0 (0%) | 0 (0%) | 5(13.1%) | 3 (9.1%) |
| Nursing home | 0 (0%) | 0 (0%) | 3 (7.9%) | 3 (9.1%) |
| Rehabilitation hospital | 1 (4.8%) | 0 (0%) | 0 (0%) | 0 (0%) |
| 30-day readmission d | 1 (4.8%) | 5 (12.8%) | 6 (15.7%) | 5 (45.5%) |
| 1-year Mortality | 2 (9.5%) | 5 (12.8%) | 14 (36.8%) | 4 (36.4%) |
| 5-year Mortality | 9 (42.9%) | 24 (61.5%) | 23 (60.5%) | 5 (45.4%) |
Data are either n (%), mean (SD) or median (IQR) unless otherwise stated.
Abbreviations: O-POSSUM – Oesophago-gastric specific Physiological and Operative Severity Score for the enumeration of Mortality and morbidity. a n=100, b n=80, c n=26, d n=102
Note: VO 2 at AT (ml.kg. -1min -1) predefined risk stratification categories (low risk VO 2 at AT >14ml.kg. -1min -1, medium risk VO 2 at AT 11.0-14.0ml.kg -1.min -1, high-risk VO 2 at AT 8.0-10.9ml.kg -1.min -1, highest risk VO 2 at AT <8.0ml.kg -1.min -1 ).