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Table 4.11. CRC Screening Rates by Practice

Health Care Systems for Tracking Colorectal Cancer Screening Tests

PracticeStool Test Screening RateColonoscopy Screening RateAny Test Screening Rateb
UnadjustedAdjustedUnadjustedAdjustedUnadjustedAdjusted
Control Practices
CHA0.000.004.145.014.285.17
CHB0.000.004.575.534.575.53
CUA1.511.821.081.302.583.12
Mean0.500.613.263.953.814.61
Std dev0.710.861.551.880.881.06
CV1.421.410.480.480.230.23
Intervention Practices
IAAc,d  
Card2.07    
Kit6.86    
IHA4.166.4710.39
IHDc6.03
IHE3.448.5211.89
IHF4.686.3411.02
IHH7.535.7712.82
IHI3.8310.6914.52
ISAc,d  
Card5.36    
Kit12.90    
IUA3.401.705.10
IUB5.034.709.40
Mean  6.3110.73
Std dev  2.62 2.77 
CV  0.42 0.26 
Card mean4.55     
Std dev1.46     
CV0.32     
Kit mean9.88     
Comparison of Meanse
p value  0.1320.2420.0050.010
Card0.0010.002    
Kit0.0280.030    

a We excluded practices with fewer than 60 study participants from this comparison of practice screening rates.
b Includes stool test, colonoscopy, flexible sigmoidoscopy, or barium enema x ray. Persons with screens by multiple modalities are counted only once.
c. Incomplete colonoscopy screening data were available for these practices, so we do not report their colonoscopy screening rates or include them in calculating an intervention group mean for colonoscopy or any test.
d We randomized patients in these practices to either the card or kit intervention arm. The card intervention stool test rates for these practices are averaged along with the stool test rates of the other intervention practices to produce the card intervention stool test mean. The kit intervention stool test rates for these practices are separately averaged by themselves to produce the kit intervention stool test mean.
e Reported p values are for F ratios associated with a comparison of unadjusted intervention group means with both unadjusted and SEA adjusted control group means, respectively, by screening modality and, for stool test rates, stool test intervention arm.

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Current as of December 2010
Internet Citation: Table 4.11. CRC Screening Rates by Practice: Health Care Systems for Tracking Colorectal Cancer Screening Tests. December 2010. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/crcscreeningrpt/crcscreentab4-11.html