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Table 1 Joinpoint analyses of colon and rectal cancer incidence by sex and age, 1983–2012, Hong Kong

From: Differential incidence trends of colon and rectal cancers in Hong Kong: an age-period-cohort analysis

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)

  1. APC annual percent change