how to calculate half decile of er visits percentile for er visits what is a half-decile how to calculate half decile in health care how to measure association between er visits and total healthcare expenditures? what percentiles are er visits what percentile is person 1 in for total healthcare costs? which percentile is half decile which percentile would the total number of er visits be what is half decile what percentile should be er visits what is the percentile of er visits what is the percentile of total healthcare costs what is a half decile in sql what percentile is er visits which percentile should be used to rank er visits for total costs? what percentile for total er visit if someone is in the 15th percentile who is compared to the 5th percentile what percentile is for the total number of er visits how to test for association of half deciles