Table 2.

Relative duration (percent of time) and average annual dose (DDD/year) of statin use prior to the index date, excluding the year before the index date, for CLL cases and their matched controls according to statin subgroup

CasesControls
Q1MedianQ3Q1MedianQ3
Average annual dose (DDD/year)
 Hydrophilic350.3365.0392.2365.0365.0429.0
 High-potency lipophilic182.5243.3365.0182.5251.8365.0
 Low-potency lipophilic162.2162.2233.4162.2165.1243.3
Relative duration (%)
 Hydrophilic5.114.534.23.411.828.6
 High-potency lipophilic6.020.342.16.020.641.3
 Low-potency lipophilic7.123.453.05.923.163.7
  • Abbreviations: DDD, defined daily dose; Q1, first quartile; Q3, third quartile.