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Table 4 Baseline characteristics, occurrence of MACE between patients with PDC ≥ 0.5 and PDC < 0.5 in secondary prevention subgroup

From: Adherence to statins and its impact on clinical outcomes: a retrospective population-based study in China

 

Secondary prevention

N = 65,283

Patients with PDC ≥ 0.5

N = 3515

Patients with PDC < 0.5

N = 61,768

P value

Baseline characteristics

 Demographic characteristics

  Mean age, mean (SD)

60.5 (10.5)

59.0 (11.3)

< 0.001a

  Female, n (%)

1494 (42.5)

33,504 (54.2)

< 0.001b

CCI, mean (SD)

1.5 (1.4)

1.2 (1.2)

< 0.001b

 Comorbidities, n (%)

  Hypertension

2866 (81.5)

50,698 (82.1)

0.416b

  Dyslipidemia

1611 (45.8)

28,043 (45.4)

0.617b

  Diabetes mellitus

1622 (46.1)

25,066 (40.6)

< 0.001b

  Chronic kidney disease

322 (9.2)

5181 (8.4)

0.109b

 All-cause resource utilization and cost

  Total direct medical cost (CNY), mean (SD)

14,627.6 (21,026.1)

8351.5 (12,308.9)

< 0.001a

  Number of outpatient visits, mean (SD)

39.9 (43.8)

31.7 (30.5)

< 0.001a

  Patients had hospitalization record, n (%)

814 (23.2)

8233 (13.3)

< 0.001b

MACE in the 13th–24th months

 Patients with MACE, n (%)

161 (4.6)

1718 (2.8)

< 0.001b

 Mean number of MACE in patients with MACE, mean (SD)

1.2 (0.4)

1.3 (0.7)

0.095a

 Days to the first MACE since index, mean (SD)

552.8 (112.4)

549.3 (107.3)

0.694a

  1. Notes: a Student’s t-test, b Chi-square test