Colorectal cancer screening in an academic center compared to the national average

Table 2 Statistical analysis comparing our colorectal cancer screening rates to the 2010 New York State screening rates as determined by the Center for Disease Control

Variable	Screening rate	P value	P value of the χ2 distribution test comparing variability within groups
PGY-level
PGY-1	0.66	0.3
PGY-2	0.72	0.735	0.096
PGY-3	0.77	0.061
Age of patient (yr)
50-59	0.64	0.07
60-69	0.77	0.58
70-79	0.82	0.0151	0.0061
80-89	0.61	0.255
90-99	0.67	1
Sex
Female	0.7	0.953	0.33
Male	0.75	0.26
Race
Black	0.68	0.508
Hispanic	0.76	0.0341	0.0231
Other	0.8	0.733
White	0.54	0.063
Highest educational level
College	0.72	0.869
Elementary	0.75	0.682
High School	0.74	0.336	0.888
Middle School	0.72	0.888
Undisclosed	0.69	0.73
Insurance type
Medicare/Medicaid	0.73	0.245
Private insurance	0.72	1	0.514
Undisclosed	0.68	0.607
Overall screening rate	0.72	0.48

¹Statistical significance is defined as P = 0.05. New York State screening rate was standardized to a base rate of 0.701 for comparison. Data was analyzed by binomial statistical analysis. PGY: Post graduate year.