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Table 3 APC of colorectal cancer incidence in different age groups by subsite between 2000 and 2011 in Guangzhou

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

Site APC during 2000–2004 (%) APC during 2005–2011 (%)
All 0–49 years 50–64 years ≥65 years All 0–49 years 50–64 years ≥65 years
All
 Ascending colon 2.25 −9.25 15.08 1.33 −0.44 −6.16 −0.21 2.19
 Transverse colon −1.95 5.29 2.21 −5.09 −0.4 −1.75 −0.25 1.42
 Descending colon −1.02 −7.08 0.61 2.36 2.79 5.31 7.81* 1.77
 Sigmoid colon 4.19 11.11* 3.93 2.8 0.97 –2.98 1.07 3.57*
 Rectum 0.68 3.01 5.00* −1.83 −2.43 –5.02* −0.54 −1.81
Males
 Ascending colon 7.5 −5.36 25.89 3.04 −1.7 −4.72 −2.74 1.16
 Transverse colon −8.85 10.29 −4.98 −12.93* −0.82 –2.98 1.89 −0.47
 Descending colon −7.13 2.05 3.05 −11.9 0.77 3.31 10.00* −0.54
 Sigmoid colon 4.61 16.79 5.58 4.1 0.87 −4.99 2.65* 3.01
 Rectum −1.96 5.72 7.48 −7.16 −1.72 −5.42 0.91 −1.26
Females
 Ascending colon −2.81 −14.3 6.93 –0.34 −0.87 −7.14 2.84 3.1
 Transverse colon 3.41 −0.79 8.9 2.57 −0.18 0.17 −2.96* 3.42
 Descending colon 2.71 −12.39 −0.46 17.38 5.51* 7.46 5.46 5.04*
 Sigmoid colon 0.41 5.6 1.57 −1.11 1.08* −1.04 −0.8 4.34*
 Rectum 2.13 0.53 2.29 4.3 −3.42* −4.56* −2.99 −2.55
  1. APC annual percentage change. * APC is significantly different from zero (two-sided P < 0.05).