Table 3.

Associations between intellectual disability and outcomes following a first symptom suggestive of bowel cancer

	No ID (N)	ID (N)	RR (95% CI)
Total patients with ≥1 symptom	405,891	35,427
FIT / FOB test within 28 days of first symptom	5070	333	0.74 (0.67–0.83)
Referral within 28 days of first symptom	9513	479	0.57 (0.52–0.63)
Endoscopy within 56 days of first symptom	17,324	731	0.45 (0.42–0.49)
Diagnosis within 56 days of first symptom	1448	65	0.52 (0.41–0.67)
Diagnosis within 6 months of first symptom	2154	117	0.64 (0.53–0.77)
Diagnosis within 1 year of first symptom	2462	137	0.67 (0.56–0.79)
Diagnosis within 3 years of first symptom	3035	192	0.78 (0.68–0.90)
Diagnosis within 3 years (inc. MUO / CUP)	3411	244	0.89 (0.78–1.01)

ID intellectual disability, FIT faecal immunochemical test, FOB faecal occult blood test, RR risk ratio, CI confidence interval, MUO malignancy of undefined origin, CUP cancer of unknown primary