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Table 1 Characteristics of the study patients based on age group

From: Age-related differences in factors associated with the underuse of recommended medications in acute coronary syndrome patients at least one year after hospital discharge

  Overall (n = 469) 65 years of age and older (n = 202) Younger than 65 years of age (n = 267) p
Age, years 62.4 ± 9.7 71 ± 5 56 ± 6.9 < 0.001
Gender, female, n (%) 142 (30.3) 67 (33.2) 75 (28.1) 0.264
Married 442 (94.2) 187 (92.6) 255 (95.5) 0.229
Educational level     
 Junior high school or lower 166 (35.4) 91 (45.0) 75 (28.1) < 0.001
 Senior high school 198 (42.2) 86 (42.6) 112 (41.9)  
 University/college 105 (22.4) 25 (12.4) 80 (30.0)  
Manual laborer 48 (10.2) 26 (12.9) 22 (8.2) 0.101
Employed 178 (38) 7 (3.5) 171 (64) < 0.001
Income (Chinese yuan/month)     
 1,200 - 3,000 248 (52.9) 156 (77.2) 92 (34.5) < 0.001
 3,000 - 5,000 166 (35.4) 27 (13.4) 139 (52.1)  
 ≥ 5,000 55 (11.7) 19 (9.4) 36 (13.5)  
Basic medical insurance* 391 (83.4) 162 (80.2) 229 (85.8) 0.109
Live alone 29 (6.2) 20 (9.9) 9 (3.4) 0.004
Currently smoking 111 (23.7) 45 (22.3) 66 (24.7) 0.538
Regular alcohol use 30 (6.4) 12 (5.9) 18 (6.7) 0.726
Depressive symptoms (PHQ score) 4 (2–7) 4 (2–6) 5 (3–7) 0.005
No. of diseased vessels 1 (1–2) 1 (1–2) 1 (1–2) 0.107
Comorbidities     
 Congestive heart failure 37 (7.9) 27 (13.4) 10 (3.7) < 0.001
 Diabetes 103 (22.0) 57 (28.2) 46 (17.2) 0.004
 Hypertension 262 (55.9) 122 (60.4) 140 (52.4) 0.086
 Dyslipidemia 84 (17.9) 49 (24.3) 35 (13.1) 0.002
 Cardiac dysrhythmias 31 (6.6) 18 (8.9) 13 (4.9) 0.081
 Stroke 27 (5.8) 17 (8.4) 10 (3.7) 0.032
 Any previous revascularization 36 (7.7) 21 (10.4) 15 (5.6) 0.054
 Chronic renal failure 38 (8.1) 24 (11.9) 14 (5.2) 0.009
 COPD 29 (6.2) 19 (9.4) 10 (3.7) 0.012
 Gastrointestinal disease 48 (10.2) 27 (13.4) 21 (7.9) 0.052
 Others 45 (9.6) 29 (14.4) 16 (6.0) 0.002
In-hospital treatment (PCI/CABG) 444 (94.7) 190 (94.1) 254 (95.1) 0.609
Time between discharge and follow-up survey, months 19.5 ± 2.6 19.3 ± 2.6 19.7 ± 2.6 0.161
Number of outpatient cardiologist visits since hospital discharge 7 (5–9) 6 (4–8) 8 (6–10) < 0.001
Rehospitalization since discharge# 0 (0–1) 0 (0–1) 0 (0–1) 0.092
Medication use at discharge     
 Aspirin 445 (94.9) 188 (93.1) 257 (96.5) 0.121
 Beta-blocker 420 (89.6) 175 (86.6) 245 (91.8) 0.072
 Statin 414 (88.3) 172 (85.1) 242 (90.6) 0.067
 ACE inhibitor/ARB 319 (68.0) 135 (66.8) 184 (68.9) 0.632
Number of prescribed medications§ 6 (5–10) 8 (5–12) 5 (4–7) < 0.001
  1. Data are represented as the number (%) of patients; *medical insurance provided by the government; STEMI, ST segment elevated myocardial infarction; NSTEMI, non-ST segment elevated myocardial infarction; COPD, chronic obstructive pulmonary disease; CABG, coronary artery bypass graft; PCI, percutaneous coronary intervention; ACEI, angiotensin- converting enzyme; #patient was readmitted for a cardiac catheterization, PCI, stress test, or other causes during the interim follow-up period from hospital discharge to the date of the follow-up survey; ARB, angiotensin receptor blocker; §the number of patients using prescribed medications, including non-recommended medications.