Table 2.
Covariates and outcome measures to be collected
| Category of covariate | Data to be collected |
|---|---|
| Patient covariates | Age |
| Height | |
| Sex | |
| Weight | |
| Preoperative Charlson Comorbidity Index | |
| ASA grade | |
| Polypharmacy (> 4 medications) | |
| CFS | |
| EFS | |
| Cognitive impairment using Montreal Cognitive Assessment (MoCA) | |
| Cancer covariates | TNM stage |
| Tumour location | |
| Preoperative chemo/radiotherapy | |
| Operative covariates | Procedure or not |
| Procedure type | |
| Duration of surgery | |
| Postoperative covariates | Postoperative chemo/radiotherapy |
| Major postoperative complications | |
| Primary Outcome measures | EORTC QLQ C30 at 6 and 12 weeks |
| WHO-DAS 12 item at 6 and 12 weeks | |
| CFS and EFS at 12 weeks | |
| Secondary outcome measures | Clavien Dindo (Postoperative morbidity) – collected on days 1,3,5 and 8 post-surgery |
| 90-day Mortality | |
| Days alive and at home 30-days (DAH30) |