Table 2.
Associations of intellectual disability with bowel cancer, symptoms suggestive of bowel cancer and FIT / FOB testing
| No ID | ID | Estimate | |
|---|---|---|---|
| Bowel cancer risk | Diagnoses / total | Diagnoses / total | HR (95% CI) |
| 6936 / 1,964,420 | 381 / 111,034 | 1.30 (1.18-1.44) | |
| Bowel cancer risk age < 50 years | Diagnoses <50 years / total <50 years | Diagnoses <50 years / total <50 years | RR (95% CI) |
| 489 / 1,405,445 | 58 / 81,240 | 2.19 (1.68-2.85) | |
| Symptoms suggestive of bowel cancer | Patients with symptomsa / total patients | Patients with symptoms / total patients | IRR (95% CI) |
| 307,560 / 1,964,420 | 35,247 / 111,034 | 2.59 (2.53-2.65) | |
| FIT / FOB test | Patients tested / total patients | Patients tested / total patients | IRR (95% CI) |
| 208,723 / 1,964,420 | 12,793 / 111,034 | 0.92 (0.91-0.93) |
ID intellectual disability, FIT faecal immunochemical test, FOB faecal occult blood test, HR hazard ratio, RR risk ratio, IRR incidence rate ratio, CI confidence interval
aFollow-up truncated to that of corresponding case