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Table 2 APC of colorectal cancer incidence in different age groups during 2000–2011 in Guangzhou

From: Incidence trends and age distribution of colorectal cancer by subsite in Guangzhou, 2000–2011

Age group During 2000–2004 During 2005–2011
APC (%) P value APC (%) P value
All (years)
 0–49 2.49 0.48 −3.07 <0.01
 50–64 6.48 0.06 0.49 0.64
 ≥65 2.23 0.62 0.11 0.93
 Crude incidence 6.43 0.01 1.05 0.04
 ASR 3.08 0.32 −0.99 0.27
Males (years)
 0–49 7.25 0.18 −3.45 0.06
 50–64 8.50 0.04 1.68 0.03
 ≥65 −1.76 0.77 −0.39 0.70
 Crude incidence 7.44 0.02 1.18 0.25
 ASR 1.43 0.75 −1.02 0.34
Females (years)
 0–49 −2.07 0.64 −2.56 0.21
 50–64 4.13 0.14 −1.12 0.29
 ≥65 5.77 0.03 0.77 0.61
 Crude incidence 5.21 0.01 0.93 0.28
 ASR 3.06 0.20 −0.97 0.17
  1. APC annual percentage change. Other abbreviation as in Table 1.