Table 3.

Incidence Rates of the Muscular Events in the Primary Prevention Cohorts Before and After Propensity Score Matching

	Number (%) of muscular events		Total person-years of follow-up		Incidence rate per 1,000 person-years
	Exposed	Comparator	Exposed	Comparator	Exposed	Comparator
Low-intensity statin therapy
Pravastatin vs simvastatin (ref)
Crude	82 (0.8)	2,205 (1.2)	7,584	143,220	10.8	15.4
PS-matched	82 (0.8)	98 (1.0)	7,577	7,852	10.8	12.5
Moderate- to high-intensity statin therapy
Rosuvastatin vs atorvastatin (ref)
Crude	101 (1.4)	854 (1.0)	5,648	64,369	17.9	13.3
PS-matched	100 (1.4)	86 (1.2)	5,628	5,658	17.8	15.2
Simvastatin vs atorvastatin (ref)
Crude	2,456 (1.5)	957 (0.9)	124,546	78,697	19.7	12.2
PS-matched	483 (1.3)	368 (1.0)	29,222	29,708	16.5	12.4

Ref reference, PS propensity score