Table 2 Results of the time trend analysis: odds-ratio (OR) and average percent change (APC) associated with each 5-year period (period 1975-2009).
Period | Incidence (1/xxxx) | Incidence (/10,000) | OR (95% CI) eβ | APC (95% CI) (eβ-1)*100 | p |
|---|---|---|---|---|---|
1975-1979 | 1/1983 | 5.0 | ref. | ref. | - |
1980-1984 | 1/2372 | 4.2 | 0.84 (0.63; 1.12) | -16.4% (-37.4%; 11.6%) | 0.2243 |
1985-1989 | 1/2188 | 4.6 | 0.91 (0.68; 1.21) | -9.4% (-32.0%; 20.7%) | 0.5007 |
1990-1994 | 1/3034 | 3.3 | 0.65 (0.47; 0.90) | -34.7% (-52.6%; -10.0%) | 0.0093 |
1995-1999 | 1/3115 | 3.2 | 0.64 (0.46; 0.88) | -36.3% (-53.8%; -12.3%) | 0.0058 |
2000-2004 | 1/3208 | 3.1 | 0.62 (0.45; 0.85) | -38.2% (-55.0%; -15.1%) | 0.0029 |
2005-2009 | 1/3268 | 3.1 | 0.61 (0.44; 0.83) | -39.3% (-55.8%; -16.7%) | 0.0020 |