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Table 2 Covariates and outcome measures to be collected

From: A cohort study investigating the relationship between patient reported outcome measures and pre-operative frailty in patients with operable, non-palliative colorectal cancer

Category of covariate Data to be collected
Patient covariates Age
Preoperative Charlson Comorbidity Index
ASA grade
Polypharmacy (> 4 medications)
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)