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Table 2 Demographic characteristics and comorbidity status of the Matched PS Sub-Cohort at baseline

From: Head to head comparison of the propensity score and the high-dimensional propensity score matching methods

  Low potency n (%) High potency n (%) Absolute standardized differences
  119,857 (100) 119,857 (100)  
Age, mean (SD)a 64.6 (11.2) 64.8 (11.2) 0.021
Male sex 59,690 (49.8) 60,241 (50.3) 0.009
At least 5 medical outpatient visits 68,696 (57.3) 69,017 (57.6) 0.005
At least 1 hospitalisation 29,527 (24.6) 31,129 (26.0) 0.031
Myocardial infarction 8457 (7.1) 8527 (7.1) 0.002
Stroke 3824 (3.2) 4219 (3.5) 0.018
Hypertension 49,335 (41.2) 50,719 (42.3) 0.023
Hypercholesterolemia 38,760 (32.3) 38,887 (32.4) 0.002
Peripheral vascular disease 2374 (2.0) 2691 (2.3) 0.018
Congestive heart failure 5412 (4.5) 5852 (4.9) 0.017
Coronary artery bypass graft 1756 (1.5) 1988 (1.7) 0.016
Percutaneous coronary intervention 5255 (4.4) 4805 (4.0) 0.019
Dispensation of loop diuretics 7202 (6.0) 7775 (6.5) 0.020
Dispensation of calcium blockers 26,878 (22.4) 27,928 (23.3) 0.021
Dispensation of beta-blockers 35,805 (29.9) 36,741 (30.7) 0.017
Dispensation of angiotensin receptor blockers 21,228 (17.7) 21,776 (18.2) 0.012
Dispensation of angiotensin converting enzyme inhibitors 25,537 (21.3) 26,484 (22.1) 0.019
At least 5 different drugs dispensed 69,608 (58.1) 70,087 (58.5) 0.008
  1. Comorbidity status, drug dispensations and medical utilization rates were assessed in the year prior to the cohort entry date. Absolute standardized differences are defined as the between group difference over the pooled standard deviation of the two groups
  2. aAt the cohort entry date