Table 3.

Estimates of Average Annual Percentage Change (AAPC) for Persons of Each Racial/Ethnic Group Residing in Each US Region, and Separately for Diagnoses of CRC at Different Summary Stages.

Race/Ethnicity	US region	AAPC	Lower 95% CI	Upper 95% CI
AIAN	Midwest	−0.63	−2.73	1.50
	Northeast	−1.06	−4.64	2.65
	South	−0.72	−2.00	0.59
	West	−0.07	−1.18	1.05
API	Midwest	−1.85	−2.98	−0.71
	Northeast	−1.60	−2.33	−0.86
	South	−1.33	−2.16	−0.49
	West	−2.53	−2.91	−2.15
Hispanic	Midwest	−1.73	−2.59	−0.86
	Northeast	−2.53	−3.02	−2.05
	South	−2.04	−2.37	−1.71
	West	−1.36	−1.70	−1.02
NHB	Midwest	−2.35	−2.74	−1.96
	Northeast	−2.37	−2.76	−1.99
	South	−2.27	−2.49	−2.06
	West	−3.03	−3.59	−2.47
NHW	Midwest	−2.09	−2.23	−1.96
	Northeast	−2.76	−2.89	−2.63
	South	−1.89	−2.00	−1.79
	West	−2.33	−2.47	−2.18

Notes. Estimates were obtained from the results of the meta-regression linear models analyses.

An annual percentage change of −1 represents the situation where the group experienced an average 1% reduction in CRC incidence for each year of observation.

Abbreviations: AIAN: Non-Hispanic American Indian or Alaska Native; API: Non-Hispanic Asian or Pacific Islander; Hispanic: Hispanic of any race; NHB: Non-Hispanic Black; NHW: Non-Hispanic White.

Midwest US region includes Ohio, Indiana, Illinois, Michigan, Wisconsin, Minnesota, Iowa, Missouri, North Dakota, South Dakota, Nebraska, Kansas; Northeast US region includes Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania; South US region includes Delaware, Maryland, District of Columbia, Virginia, West Virginia, North Carolina, South Carolina, Georgia, Florida, Kentucky, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, Oklahoma, Texas; West US region includes Montana, Idaho, Wyoming, Colorado, New Mexico, Arizona, Utah, Nevada, Washington, Oregon, California, Alaska, Hawaii.