| Age group (y) | Women | Men | Total | ||
| n | Rates (95% CI) | n | Rates (95% CI) | Rates (95% CI) | |
| 0–19 | 1 | 0.30 (0.01–1.67) | 4 | 0.82 (0.27–1.91) | 0.57 (0.22–1.24) |
| 20–39 | 2 | 0.34 (0.04–1.23) | 3 | 0.54 (0.15–1.38) | 0.43 (0.16–0.94) |
| 40–59 | 11 | 1.89 (0.94–3.38) | 24 | 4.20 (2.93–5.80) | 2.99 (2.19–3.98) |
| 60–79 | 30 | 5.58 (3.77–7.98) | 61 | 14.04 (11.31–17.27) | 9.45 (7.88–11.25) |
| 80⩾ | 6 | 4.03 (1.48–8.79) | 13 | 19.24 (11.58–30,01) | 8.78 (5.68–13.00) |
| Overall | 50 | 2.23 | 105 | 5.02 | 3.58 |