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. 2020 Jun 2;4(4):645–658. doi: 10.1002/bjs5.50279

Table 2.

Ratio of average annual percentage change: comparison with patients aged under 50 years and by age, sex and tumour location

AAPC ratio
Sex and age group compared Colonic cancer Rectal cancer
2006–2016
F, 0–49 versus ≥ 75 years 1·02 (0·99, 1·04) 1·04 (1·02, 1·07)
M, 0–49 versus ≥ 75 years 1·01 (0·99, 1·03) 1·00 (0·98, 1·03)
F, 0–49 versus 50–74 years 1·03 (1·01, 1·05) 1·04 (1·01, 1·06)
F, 50–74 versus ≥ 75 years 0·99 (0·97, 1·00) 1·00 (0·98, 1·03)
M, 0–49 versus 50–74 years 1·02 (1·00, 1·04) 1·00 (0·98, 1·03)
M, 50–74 versus ≥ 75 years 0·99 (0·97, 1·01) 1·00 (0·98, 1·02)
1995–2005
F, 0–49 versus ≥ 75 years 1·03 (1·01, 1·05) 1·05 (1·02, 1·07)
M, 0–49 versus ≥ 75 years 1·00 (0·98, 1·02) 0·98 (0·96, 1·00)
F, 0–49 versus 50–74 years 1·02 (1·00, 1·04) 1·04 (1·01, 1·06)
F, 50–74 versus ≥ 75 years 1·01 (0·99, 1·03) 1·01 (0·99, 1·04)
M, 0–49 versus 50–74 years 1·00 (0·98, 1·02) 0·97 (0·95, 0·99)
M, 50–74 versus ≥ 75 years 1·00 (0·98, 1·01) 1·01 (0·99, 1·04)
1984–1994
F, 0–49 versus ≥ 75 years 1·02 (0·99, 1·05) 1·01 (0·99, 1·04)
M, 0–49 versus ≥ 75 years 0·99 (0·96, 1·02) 0·97 (0·94, 0·99)
F, 0–49 versus 50–74 years 1·01 (0·98, 1·04) 1·01 (0·98, 1·03)
F, 50–74 versus ≥ 75 years 1·02 (0·99, 1·05) 1·01 (0·98, 1·04)
M, 0–49 versus 50–74 years 0·99 (0·96, 1·02) 0·96 (0·94, 0·99)
M, 50–74 versus ≥ 75 years 1·01 (0·98, 1·04) 1·00 (0·98, 1·03)
1970–1983
F, 0–49 versus ≥ 75 years 0·99 (0·97, 1·00) 1·02 (0·99, 1·04)
M, 0–49 versus ≥ 75 years 0·96 (0·95, 0·98) 0·97 (0·95, 0·99)
F, 0–49 versus 50–74 years 0·98 (0·97, 1·00) 1·01 (0·99, 1·04)
F, 50–74 versus ≥ 75 years 1·01 (0·99, 1·02) 1·01 (0·99, 1·03)
M, 0–49 versus 50–74 years 0·97 (0·95, 0·98) 0·97 (0·94, 0·99)
M, 50–74 versus ≥ 75 years 1·00 (0·98, 1·01) 1·00 (0·98, 1·03)

Values in parentheses are 95 per cent confidence intervals. AAPC, average annual percentage change.