Standardised incidence ratios (SIRs) and 95% confidence intervals (CIs) for cancers of the oesophagus and stomach among patients hospitalised for pernicious anaemia
| Oesophagus | Stomach | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Squamous cell carcinoma | Adenocarcinoma | Non-cardia cancer | Cardia cancer | |||||||||
| Obs* | SIR | 95% CI | Obs* | SIR | 95% CI | Obs* | SIR | 95% CI | Obs* | SIR | 95% CI | |
| *Observed number of cancer cases. | ||||||||||||
| Total | 43 | 3.3 | 2.4–4.4 | 7 | 1.7 | 0.7–3.4 | 218 | 2.4 | 2.1–2.7 | 12 | 1.2 | 0.6–2.0 |
| Sex | ||||||||||||
| Male | 24 | 3.2 | 2.1–4.8 | 4 | 1.4 | 0.4–3.5 | 106 | 2.2 | 1.8–2.6 | 5 | 0.7 | 0.2–1.7 |
| Female | 19 | 3.3 | 2.0–5.2 | 3 | 2.4 | 0.5–6.9 | 112 | 2.6 | 2.1–3.1 | 7 | 2.0 | 0.8–4.2 |