Table 3. Newly diagnosed incidence rate (per 10 000 persons) of cryptorchidism and exact Poisson 95% CI between 0 and 4 years of age in 2000–2005a.
| Incidence (95% CI) | ||||
|---|---|---|---|---|
| Year | National | Yeocheon | Ulsan | Chuncheon |
| 2000 | 5.01 | 45.66 (12.44–116.9) | 6.09 (4.01–8.85) | 3.51 (0.72–10.2) |
| 2001 | 11.23 | 59.24 (19.24–138.3) | 19.02 (15.08–23.68) | 1.21 (0.03–6.78) |
| 2002 | 11.07 | 192.6 (102.6–329.3) | 17.95 (13.99–22.68) | 0 (0–4.67) |
| 2003 | 15.61 | 205.7 (109.5–351.8) | 18.55 (14.38–23.56) | 12.05 (5.51–22.9) |
| 2004 | 16.07 | 196.1 (101.3–342.5) | 23.20 (18.34–28.95) | 7.15 (2.32–16.9) |
| 2005 | 17.43 | 198.0 (108.3–332.2) | 24.37 (19.17–30.55) | 11.0 (4.41–22.6) |
Abbreviation: CI, confidence interval.
a
Yeochon and Ulsan are two industralized cities, while Chuncheon is a non-industrialized area.