Table 2.
Age-adjusted late-onset (50-74 years of age) colorectal cancer incidence rates per 100,000 person-years.
| Age 50-74 Years | 2001-2002 | 2017-2018 | Trend 1 | Trend 2 | Trend 3 | Joinpoint 1 | Joinpoint 2 | AAPC | AAPC 95% CI | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cases | Rate | 95% CI | IRR | 95% CI | Cases | Rate | 95% CI | IRR | 95% CI | APC (%) | APC (%) | APC (%) | (%) | ||||
| All Colorectal Cancer | |||||||||||||||||
| Non-Hispanic White | 121,306 | 126.08 | (125.38, 126.78) | 1.00 | – | 111,516 | 81.49 | (81.00, 81.98) | 1.00 | – | -3.51* | -1.41* | 2011-2012 | -2.73* | (-3.10, -2.35) | ||
| Non-Hispanic Black | 18,401 | 152.64 | (150.38, 154.93) | 1.21 | (1.19, 1.23) | 21,957 | 105.46 | (104.05, 106.88) | 1.29 | (1.28, 1.31) | -2.48* | -2.48* | (-2.81, -2.15) | ||||
| Hispanic | 9,204 | 104.72 | (102.53, 106.95) | 0.83 | (0.81, 0.85) | 15,903 | 79.52 | (78.27, 80.79) | 0.98 | (0.96, 0.99) | -1.77* | -1.77* | (-2.11, -1.42) | ||||
| American Indian/Alaskan Native | 754 | 108.23 | (100.50, 116.40) | 0.86 | (0.80, 0.92) | 1,283 | 94.12 | (88.97, 99.49) | 1.15 | (1.09, 1.22) | -0.62* | -0.62* | (-1.14, -0.10) | ||||
| Asian/Pacific Islander | 4,177 | 95.28 | (92.33, 98.30) | 0.76 | (0.73, 0.78) | 6,800 | 70.03 | (68.36, 71.73) | 0.86 | (0.84, 0.88) | -1.84* | -1.84* | (-2.02, -1.66) | ||||
| Proximal Colon Cancer | |||||||||||||||||
| Non-Hispanic White | 46,241 | 47.53 | (47.09, 47.96) | 1.00 | – | 41,552 | 29.60 | (29.31, 29.89) | 1.00 | – | -3.06* | -3.06* | (-3.32, -2.79) | ||||
| Non-Hispanic Black | 8,095 | 65.79 | (64.31, 67.31) | 1.38 | (1.35, 1.42) | 9,380 | 45.36 | (44.43, 46.30) | 1.53 | (1.50, 1.57) | -2.56* | -2.56* | (-2.94, -2.18) | ||||
| Hispanic | 3,209 | 36.02 | (34.73, 37.35) | 0.76 | (0.73, 0.79) | 5,375 | 27.64 | (26.90, 28.41) | 0.93 | (0.91, 0.96) | -1.78* | -1.78* | (-2.08, -1.48) | ||||
| American Indian/Alaskan Native | 256 | 35.64 | (31.23, 40.48) | 0.75 | (0.66, 0.85) | 419 | 31.04 | (28.10, 34.21) | 1.05 | (0.95, 1.15) | -0.61 | -0.61 | (-1.58, 0.37) | ||||
| Asian/Pacific Islander | 1,128 | 26.54 | (24.97, 28.18) | 0.56 | (0.53, 0.59) | 1,757 | 18.23 | (17.38, 19.11) | 0.62 | (0.59, 0.65) | -2.27* | -2.27* | (-2.65, -1.88) | ||||
| Distal Colon Cancer | |||||||||||||||||
| Non-Hispanic White | 32,625 | 34.11 | (33.75, 34.48) | 1.00 | – | 26,647 | 19.76 | (19.52, 20.01) | 1.00 | – | -4.70* | -1.20 | 2011-2012 | -3.40* | (-4.00, -2.81) | ||
| Non-Hispanic Black | 4,736 | 39.84 | (38.68, 41.02) | 1.17 | (1.13, 1.20) | 5,060 | 24.18 | (23.51, 24.86) | 1.22 | (1.19, 1.26) | -1.71 | -4.10* | -2.95* | 2005-2006 | 2011-2012 | -3.08* | (-3.31, -2.84) |
| Hispanic | 2,531 | 28.61 | (27.47, 29.79) | 0.84 | (0.81, 0.87) | 4,039 | 20.00 | (19.38, 20.64) | 1.01 | (0.98, 1.05) | -2.43* | -2.43* | (-2.95, -1.90) | ||||
| American Indian/Alaskan Native | 210 | 29.22 | (25.24, 33.63) | 0.86 | (0.75, 0.98) | 314 | 22.95 | (20.45, 25.67) | 1.16 | (1.04, 1.30) | -1.19* | -1.19* | (-2.09, -0.28) | ||||
| Asian/Pacific Islander | 1,397 | 31.64 | (29.95, 33.39) | 0.93 | (0.88, 0.98) | 2,155 | 22.07 | (21.14, 23.03) | 1.12 | (1.07, 1.17) | -2.21* | -2.21* | (-2.54, -1.89) | ||||
| Rectal Cancer | |||||||||||||||||
| Non-Hispanic White | 37,177 | 38.32 | (37.93, 38.71) | 1.00 | – | 38,135 | 28.42 | (28.13, 28.71) | 1.00 | – | -2.77* | -0.24 | 2011-2012 | -1.83* | (-2.05, -1.62) | ||
| Non-Hispanic Black | 4,445 | 36.61 | (35.51, 37.73) | 0.96 | (0.93, 0.99) | 6,218 | 29.69 | (28.94, 30.45) | 1.04 | (1.02, 1.07) | -1.39* | -1.39* | (-1.75, -1.03) | ||||
| Hispanic | 3,014 | 34.30 | (33.06, 35.58) | 0.90 | (0.86, 0.93) | 5,661 | 27.66 | (26.93, 28.40) | 0.97 | (0.95, 1.00) | -1.23* | -1.23* | (-1.66, -0.79) | ||||
| American Indian/Alaskan Native | 250 | 36.66 | (32.27, 41.47) | 0.96 | (0.84, 1.08) | 472 | 34.39 | (31.31, 37.68) | 1.21 | (1.10, 1.32) | -0.12 | -0.12 | (-0.80, 0.56) | ||||
| Asian/Pacific Islander | 1,511 | 33.91 | (32.17, 35.71) | 0.88 | (0.84, 0.93) | 2,663 | 27.42 | (26.38, 28.49) | 0.96 | (0.93, 1.00) | -1.20* | -1.20* | (-1.43, -0.97) | ||||
*Statistically significant at the 0.05 level.
IRR, incidence rate ratio; CI, confidence interval; APC, annual percent change; AAPC, average annual percent change.