Standardized incidence ratios for bone and soft-tissue cancer in patients with herpes zoster, by age, sex and duration of follow-up
| Characteristic | Total | Men | Women | ||||||
|---|---|---|---|---|---|---|---|---|---|
| No. observed | No. expected | Standardized incidence ratio (95% CI) | No. observed | No. expected | Standardized incidence ratio (95% CI) | No. observed | No. expected | Standardized incidence ratio (95% CI) | |
| All patients | 14 | 6.88 | 2.03 (1.11–3.41) | 8 | 3.92 | 2.04 (0.88–4.03) | 6 | 2.97 | 2.02 (0.74–4.40) |
| Age, yr | |||||||||
| 20–39 | 2 | 0.63 | 3.20 (0.39–11.56) | 2 | 0.34 | 5.94 (0.72–21.46) | 0 | 0.29 | 0.00 (0.00–12.78) |
| 40–59 | 5 | 1.92 | 2.6 (0.85–6.07) | 2 | 0.96 | 2.09 (0.25–7.56) | 3 | 0.97 | 3.11 (0.64–9.07) |
| 60–79 | 7 | 3.42 | 2.05 (0.82–4.22) | 4 | 2.07 | 1.93 (0.53–4.95) | 3 | 1.35 | 2.22 (0.46–6.49) |
| ≥ 80 | 0 | 0.92 | 0.00 (0.00–4.02) | 0 | 0.56 | 0.00 (0.00–6.65) | 0 | 0.36 | 0.00 (0.00–10.18) |
| Follow-up, yr | |||||||||
| ≤ 1 | 6 | 1.53 | 3.91 (1.44–8.51) | 5 | 0.87 | 5.77 (1.87–13.46) | 1 | 0.67 | 1.50 (0.04–8.36) |
| 1–5 | 7 | 4.12 | 1.70 (0.68–3.50) | 3 | 2.34 | 1.28 (0.26–3.74) | 4 | 1.78 | 2.25 (0.61–5.76) |
| > 5 | 1 | 1.23 | 0.81 (0.02–4.53) | 0 | 0.71 | 0.00 (0.00–5.23) | 1 | 0.52 | 1.91 (0.05–10.65) |
Note: CI = confidence interval.