Research Article

Effects of Adherence to Statin Therapy on Health Care Outcomes and Utilizations in Taiwan: A Population-Based Study

Table 1

Characteristics of statin therapy population.

VariableStudy population (%)
()
MPR < 80 (%)
()
MPR 80 (%) ()P value

Medication possession ratio (MPR)
(Mean SD)
Gender
 Women10825 (55.88)6610 (57.67)4215 (53.29)<0.001
 Men8546 (44.12)4852 (42.33)3694 (46.71)
Age (mean SD)
 45–544999 (25.81)3021 (26.36)1978 (25.01)0.100
 55–646028 (31.12)3552 (30.99)2476 (31.31)
658344 (43.07)4889 (42.65)3455 (43.68)
Charlson Comorbidity Index (CCI)
 0 7363 (38.01)4366 (38.09)2997 (37.89)<0.001
 17866 (40.61)4511 (39.36)3355 (42.42)
24142 (21.38)2585 (22.55)1557 (19.69)
Hospital type
 Medical center6718 (34.68)3546 (30.94)3172 (40.11)<0.001
 Regional hospital5877 (30.34)3419 (29.83)2458 (31.08)
 District hospital3616 (18.67)2374 (20.71)1241 (15.70)
 Clinic3160 (16.31)2123 (18.52)1037 (13.11)
Teaching status
 Nonteaching hospital6911 (35.68)4595 (40.09)2316 (29.28)<0.001
 Teaching hospital12460 (64.32)6867 (59.91)5593 (70.72)
Urbanization
 Urban8411 (43.42)4933 (43.04)3478 (43.98)<0.001
 Suburban5812 (30.00)3342 (29.16)2470 (31.23)
 Rural5148 (26.58)3187 (27.80)1961 (24.79)
Hospital ownership
 Public hospitals4954 (25.57)2835 (24.73)2119 (26.79)<0.001
 Private hospitals8288 (42.79)5369 (46.84)2919 (36.91)
 Nonprofit hospitals6129 (31.64)3258 (28.42)2871 (36.30)
Hospitalization
 No12634 (65.22)6481 (56.54)6153 (77.80)<0.001
 Yes6737 (34.78)4981 (43.46)1756 (22.20)
Total hospitalizations expenditures (mean)130905.90123689.80151374.80<0.001
Emergency visits
 No19262 (99.44)11408 (99.53)7854 (99.30)0.084
 Yes109 (0.56)54 (0.47)55 (0.70)

P < 0.05; P < 0.01; P < 0.001.