Table 3.
Estimated prevalence rates of postherpetic neuralgia overall, and by gender, age group and city
| Total number of patients | Number of patients with PHN | Prevalence (%) | 95% CI | |
|---|---|---|---|---|
| Overall | 36,170 | 835 | 2.3 | 2.2–2.5 |
| Gender | ||||
| Male | 16,966 | 407 | 2.4 | 2.2–2.6 |
| Female | 19,204 | 428 | 2.2 | 2.0–2.4 |
| Age group, years | ||||
| 40–50 | 10,186 | 102 | 1.0 | 0.8–1.2 |
| 51–59 | 8885 | 179 | 2.0 | 1.7–2.3 |
| 60–69 | 8770 | 215 | 2.5 | 2.1–2.8 |
| ≥ 70 | 8329 | 339 | 4.1 | 3.7–4.5 |
| City | ||||
| Guangzhou | 8441 | 203 | 2.4 | NA |
| Shenzhen | 1402 | 28 | 2.0 | |
| Beijing | 6665 | 198 | 3.0 | |
| Shanghai | 3418 | 51 | 1.5 | |
| Nanjing | 6794 | 190 | 2.8 | |
| Xian | 5249 | 89 | 1.7 | |
| Chengdu | 4201 | 76 | 1.8 |
CI confidence interval, NA not available, PHN postherpetic neuralgia