Table 2.

List of Optimal Care Pathway (OCP) measures and data availability by OCP phase used to identify deviations from the OCP pathway.

OCP description	Indices from datasets	Phase analysed
Step 1. Prevention and early detection •Family history •Screening •Lifestyle factors	GP visitsFOBTColonoscopyPSA testStatins useNo data available on family history or lifestyle factors	Prevention and early detection phase
Step 2. Presentation, initial investigations and referrals: •Screening results •Symptoms •Appropriate referral •Timelines	No data available	Diagnosis and treatment phase
Step 3. Diagnosis, staging and treatment planning: •CT •Colonoscopy •MDM •Trials •Communication	CT scanColonoscopyNo data on MDM, clinical trials or communication
Step 4. Treatment: •Clinical experience •Hospital standards	12 plus nodes examinedHospital surgical volumeTime to adjuvant chemotherapy
Step 5. Care after initial treatment and recovery: •Follow-up care •Survivorship	12 months follow-up ColonoscopyAbdominal CTCarcinoembryonic antigen (CEA) testNo data on survivorship	Care after initial treatment, recovery and survivorship and end of life care
Step 6. Managing recurrent, residual and metastatic disease	No data available
Step 7. End of life: •Palliative care •Appropriate treatment	Palliative care referralChemotherapy in last 30 days of life	End-of-life phase

MDM = Multidisciplinary meeting; CT = Computed Tomography; GP = General practitioner; FOBT = Faecal Occult Blood Test; PSA = Prostate Specific Antigen.