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. Author manuscript; available in PMC: 2013 Nov 14.
Published in final edited form as: J Cancer Surviv. 2012 Oct 4;6(4):10.1007/s11764-012-0231-0. doi: 10.1007/s11764-012-0231-0

Table.

Summary of Studies examining the relationship between race/ethnicity and colorectal cancer surveillance.

First
author
Year Sample
(N)
Race/Ethnicity
Detail
Dates of
Diagnosis
(follow-up time)
Findings
Cooper,
G.S.
2000 SEER-
Medicare
cohort
(N=5,716)
94% Non-black
6% Black
1991
(followed
through 1994)
- 46.9% of blacks obtained a colonoscopy vs. 51.4% among
 whites and 45% in patients of other races in 3 years (n.s.).
Elston
Lafata, J.
2001 Multispeciality
HMO, Michigan
(N=251)
63% White
37% Minority
 - 98% Black
 - 2% Other
1990 – 1995
(median follow-
up 4 yrs.)
- White participants more likely to receive colon exam
 (colonoscopy, barium enema, or sigmoidoscopy) than
 blacks (RR = 1.43,n.s.).
Cooper,
G.S.
2004 SEER-
Medicare
cohort
(N=33.8 million,
not limited to
cancer
survivors)
87% White
7.81% Black
5.77% Other
Unknown
diagnosis dates,
Colonoscopy
data from 1999
- Annualized rates of colonoscopy surveillance among males
 was 0.62% among blacks vs. 1.28% among whites
 (P<0.0001)
- Annualized rates of colonoscopy surveillance among
 females was 0.57% among blacks vs. 0.88% among whites
 (P<0.0001).
Ellison,
G.L.
2003 SEER-
Medicare
cohort
(N=52,105)
86% White
6% Black
9% Other
1986-1996
(followed
through 1998)
- Blacks were less likely than whites to have a first colon
 exam (colonoscopy, endoscopy, barium enema) (RR=0.87,
 P<0.05 among those diagnosed before 1991 and RR=0.75,
 P<0.05 among those diagnosed 1991-1996).
- Blacks were 9% less likely to have a second colon exam
 than Whites.
- At 18 months post-treatment, colon exams were conducted
 among 57% of whites, 48% of blacks, and 45% of people of
 other races.
- At 3 years, colon exams were conducted among 67% of
 whites, 61% of blacks, and 56% of people of other races.
- At 5 years, colon exams were conducted among 74% of
 whites, 70% of blacks, and 63% of people of other races.
Rulyak,
S.J.
2004 Group Health
Cooperative
HMO,
Washington
(N=1,002)
93% White
4% Black
4% Other
1993-1999
(median follow-
up 3.6 years)
- Blacks less likely to receive colon exams (colonoscopy,
 barium enema, or sigmoidoscopy) than whites (RR=0.70,
 n.s.).
- Asians more likely to receive colon exams compared to
 white patients (RR=1.37, n.s.).
Rolnick, S. 2005 11 HMOs in
Cancer
Research
Network, U.S.
(N=881)
75% White
25% Black
1990-2000
(5 years follow-
up)
- Median time to exam (colonoscopy, barium enema, or
 sigmoidoscopy) was 14.3 months for whites, 18.7 months
 for blacks (P=0.0002).
- Blacks were less likely to receive first surveillance exam at 1
 year (HR=0.47, P=.0008), 3 years (HR=0.55, P<.0001), and
 5 years (HR=0.59, P=.0009) post-treatment compared to
 whites (HR = 0.62, P<0.05).
Cooper,
G.S.
2008 SEER-
Medicare
cohort
(N=9,426)
87% White
6% Black
3% Hispanic
1% Asian
2% Other
2000-2001
(3.5 years of
follow-up)
- 3-year follow-up guidelines for colonoscopy were met by
 65.4% black, 72.9% Hispanic, 74.6% white and 68.7% of
 patients of other races (P= .001).
- Blacks were significantly less likely than whites to undergo
 colonoscopy within 3 yrs. (OR=0.57, P=0.001)
Salz, T. 2010 Multiregional
population-
based cohort
study in U.S.
(N=1,423)
67% White
18% Black
6% Hispanic
9% Other
2003-2005
(14 months of
follow-up)
- Blacks and Hispanics were less likely to undergo
 colonoscopy 14 months post-surgery (47% and45%,
 respectively) than whites (49%).
- Blacks were less likely than whites to receive a colonoscopy
 in 14 months (OR=0.89, n.s.).
- Hispanics were less likely than whites to receive a
 colonoscopy (OR=0.95, n.s.), and participants of other races
 were more likely than whites to receive a colonoscopy
 (OR=1.50, n.s.).