Programming the statistical procedures from SAS

PROC CATMOD: Tests For Trend In Rates - Comparing Two Extreme Years

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PROC CATMOD: Tests For Trend In Rates - Comparing Two Extreme Years

Hi,

I'm looking at C-Section rates over a 6 year period. I want to compare the first and sixth years to determine if there is a statistically significant difference in rates between the 2 years. How do I use proc catmod to do this? What options do I use in my statements for the procedure?  Thanks!

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