Table 6.

Propensity Score Assessment for Statin Use

Without Propensity Score Stratification				With Propensity Score Stratification
Variable	Proportion of Statin Users	Proportion of Statin Nonusers	Std. Diff.	Propensity Score Quintile 1			Propensity Score Quintile 2			Propensity Score Quintile 3			Propensity Score Quintile 4			Propensity Score Quintile 5			Mean Std. Diff.
				Proportion of Statin Users	Proportion of Statin Nonusers	Std. Diff.	Proportion of Statin Users	Proportion of Statin Nonusers	Std. Diff.	Proportion of Statin Users	Proportion of Statin Nonusers	Std. Diff.	Proportion of Statin Users	Proportion of Statin Nonusers	Std. Diff.	Proportion of Statin Users	Proportion of Statin Nonusers	Std. Diff.
Aged >54 y	0.400	0.495	0.158	0.673	0.740	0.120	0.572	0.545	0.044	0.419	0.456	0.062	0.375	0.369	0.011	0.271	0.264	0.012	0.050
Men	0.451	0.447	0.007	0.472	0.466	0.010	0.471	0.422	0.080	0.423	0.427	0.006	0.452	0.459	0.011	0.467	0.473	0.009	0.023
White race	0.795	0.707	0.170	0.559	0.531	0.045	0.685	0.686	0.002	0.734	0.747	0.024	0.820	0.804	0.033	0.926	0.919	0.021	0.025
High school education or higher	0.819	0.740	0.159	0.497	0.530	0.055	0.725	0.742	0.032	0.847	0.811	0.079	0.866	0.852	0.031	0.889	0.887	0.004	0.040
CAD	0.055	0.047	0.031	0.053	0.036	0.065	0.043	0.046	0.012	0.026	0.038	0.057	0.051	0.048	0.011	0.075	0.064	0.035	0.036
Hypertension	0.330	0.357	0.046	0.454	0.437	0.027	0.363	0.326	0.065	0.295	0.335	0.071	0.305	0.317	0.020	0.301	0.297	0.008	0.038
Diabetes mellitus	0.110	0.123	0.032	0.151	0.145	0.014	0.122	0.114	0.022	0.096	0.117	0.057	0.106	0.099	0.019	0.090	0.089	0.004	0.023
LDL >160 mg/dL	0.372	0.219	0.271	0.019	0.022	0.022	0.077	0.073	0.013	0.125	0.153	0.068	0.352	0.343	0.015	0.737	0.691	0.084	0.040
Smoking	0.562	0.592	0.049	0.645	0.682	0.063	0.585	0.589	0.007	0.553	0.558	0.010	0.567	0.559	0.014	0.543	0.540	0.005	0.020
Creatinine>mean	0.364	0.352	0.019	0.365	0.363	0.005	0.362	0.345	0.028	0.368	0.333	0.058	0.354	0.365	0.019	0.365	0.358	0.010	0.024
Antiplatelet at visit 1	0.094	0.080	0.041	0.071	0.064	0.023	0.101	0.079	0.060	0.064	0.079	0.046	0.073	0.081	0.025	0.135	0.120	0.037	0.038
Anticoagulant at visit 1	0.004	0.005	0.017	0.006	0.013	0.058	0.004	0.003	0.010	0.001	0.001	0.002	0.001	0.001	0.000	0.005	0.003	0.026	0.019

Std. Diff. values among statin users and nonusers for each visit 1 variable represented in the propensity score for taking the medication from visit 2 to 5 without and with propensity quintile stratification, yielding mean Std. Diff. values. CAD indicates coronary artery disease; LDL, low‐density lipoprotein; and Std. Diff., standardized difference.