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Table 1 Joinpoint analyses of colon and rectal cancer incidence by sex and age, 1983–2012, Hong Kong
| Sex | Anatomic sites | Age | Calendar period | Average APC (95% CI) |
|---|---|---|---|---|
| Male | Colon cancer | All 20+ | 1983–1995 | 1.16 (0.88, 1.44) |
| 1995–2012 | − 0.42 (− 0.54, − 0.30) | |||
| Full Period | 0.05 (− 0.02, 0.13) | |||
| 20–49 | 1983–2012 | − 1.11 (− 1.32, − 0.90) | ||
| 50+ | 1983–1996 | 1.40 (1.16, 1.64) | ||
| 1996–2012 | − 0.44 (− 0.57, − 0.31) | |||
| Full Period | 0.21 (0.13, 0.29) | |||
| Rectal cancer | All 20+ | 1983–2012 | 1.35 (1.23, 1.46) | |
| 20–49 | 1983–2012 | 0.60 (0.37, 0.84) | ||
| 50+ | 1983–2012 | 1.45 (1.32, 1.58) | ||
| Female | Colon cancer | All 20+ | 1983–1992 | 2.24 (1.68, 2.79) |
| 1992–2012 | − 0.91 (− 1.04, − 0.79) | |||
| Full period | − 0.33 (− 0.43, − 0.23) | |||
| 20–49 | 1983–2012 | − 1.56 (− 1.73, − 1.39) | ||
| 50+ | 1983–1992 | 2.57 (2.04, 3.11) | ||
| 1992–2012 | − 0.78 (− 0.91, − 0.66) | |||
| Full period | − 0.12 (− 0.23, − 0.01) | |||
| Rectal cancer | All 20+ | 1983–2012 | 0.23 (0.13, 0.33) | |
| 20–49 | 1983–2012 | − 0.17 (− 0.40, 0.05) | ||
| 50+ | 1983–2012 | 0.29 (0.19, 0.39) |
