Baseline characteristics of patients starting treatment with rosuvastatin 5 mg compared with simvastatin 20 mg (including information on the 1-year selection period following the start of treatment)
Characteristics | Total (N = 163 801) | Men (N = 71 460) | Women (N = 92 341) | ||||||
---|---|---|---|---|---|---|---|---|---|
Rosuvastatin 5 mg | Simvastatin 20 mg | p-value | Rosuvastatin 5 mg | Simvastatin 20 mg | p-value | Rosuvastatin 5 mg | Simvastatin 20 mg | p-value | |
(n = 106 941; %) | (n = 56 860; %) | (n = 46 266; %) | (n = 25 194; %) | (n = 60 675; %) | (n = 31 666; %) | ||||
Period of study entry | <0.0001 | <0.0001 | <0.0001 | ||||||
1st half of 2008 | 24.0 | 25.2 | 24.1 | 25.5 | 24.0 | 25.0 | |||
2nd half of 2008 | 22.4 | 22.8 | 22.7 | 22.7 | 22.2 | 23.0 | |||
1st half of 2009 | 29.5 | 26.1 | 29.4 | 26.1 | 29.6 | 26.2 | |||
2nd half of 2009 | 24.1 | 25.8 | 23.8 | 25.7 | 24.3 | 25.9 | |||
Demographic and socioeconomic characteristics | |||||||||
Male gender | 43.3 | 44.3 | <0.0001 | 100.0 | 100.0 | — | 0.0 | 0.0 | — |
Age at study entry (years) | <0.0001 | 0.8282 | 0.1680 | ||||||
40–44 | 5.3 | 5.0 | 4.6 | 4.6 | 7.5 | 7.2 | |||
45–49 | 9.0 | 8.6 | 7.8 | 8.2 | 10.9 | 10.7 | |||
50–54 | 14.8 | 14.4 | 13.6 | 14.6 | 15.0 | 16.4 | |||
55–59 | 19.8 | 19.7 | 18.7 | 17.8 | 19.0 | 17.2 | |||
60–64 | 19.4 | 19.0 | 19.7 | 19.8 | 16.1 | 14.8 | |||
65–69 | 12.8 | 13.0 | 14.5 | 13.8 | 12.4 | 12.5 | |||
70–74 | 10.9 | 11.4 | 12.4 | 12.5 | 10.5 | 11.1 | |||
75–79 | 7.9 | 8.9 | 8.7 | 8.7 | 8.7 | 10.0 | |||
Deprivation index of area of residence | <0.0001 | <0.0001 | <0.0001 | ||||||
1 (least deprived) | 26.9 | 25.6 | 27.7 | 26.3 | 26.3 | 25.0 | |||
2 | 19.5 | 18.8 | 19.2 | 18.7 | 19.7 | 18.9 | |||
3 | 16.1 | 15.7 | 16.1 | 15.5 | 16.1 | 15.9 | |||
4 | 17.3 | 17.9 | 17.1 | 17.8 | 17.5 | 18.0 | |||
5 (most deprived) | 19.0 | 20.8 | 18.8 | 20.6 | 19.2 | 21.0 | |||
Area with very few inhabitants * | 1.1 | 1.2 | 1.1 | 1.2 | 1.2 | 1.2 | |||
Comedications and LTDs observed up to one year after the start of treatment in month m | |||||||||
Anticoagulants in (m, m + 1) | 7.6 | 7.4 | 0.3251 | 8.1 | 8.0 | 0.6296 | 7.2 | 7.0 | 0.3216 |
Antiplatelet agents in (m, m + 11) | 16.0 | 18.5 | <0.0001 | 19.9 | 23.3 | <0.0001 | 13.0 | 14.8 | <0.0001 |
Antihypertensive drug in (m, m + 11) | 56.6 | 60.1 | <0.0001 | 56.0 | 59.5 | <0.0001 | 57.1 | 60.6 | <0.0001 |
Antidiabetic drug in (m, m + 11) | 18.4 | 23.4 | <0.0001 | 22.0 | 27.2 | <0.0001 | 15.7 | 20.4 | <0.0001 |
Heart disease LTD | 0.2290 | 0.8494 | 0.1462 | ||||||
At m − 6 | 1.8 | 1.7 | 2.3 | 2.3 | 1.4 | 1.3 | |||
At m + 11, but not at m − 6 | 0.6 | 0.7 | 0.8 | 0.8 | 0.5 | 0.6 | |||
Hypertension LTD* | <0.0001 | <0.0001 | <0.0001 | ||||||
At m − 6 | 4.1 | 4.9 | 4.3 | 5.2 | 4.0 | 4.8 | |||
At m + 11, but not at m − 6 | 1.9 | 2.1 | 2.3 | 2.3 | 1.7 | 1.9 | |||
Comorbidities at m + 11 | |||||||||
Antidepressant drug in (m, m + 11) | 18.4 | 18.1 | 0.1507 | 11.5 | 11.7 | 0.5476 | 23.7 | 23.3 | 0.1642 |
Alzheimer's disease ‡ | 0.44 | 0.59 | <0.0001 | 0.31 | 0.40 | 0.0392 | 0.53 | 0.74 | 0.0001 |
Asthma/COPD ‡ | 8.6 | 8.7 | 0.4884 | 8.8 | 8.8 | 0.9171 | 8.4 | 8.6 | 0.3226 |
End-stage renal disease ‡ | 0.021 | 0.025 | 0.5986 | 0.030 | 0.036 | 0.6973 | 0.013 | 0.016 | 0.7515 |
Cancer (not prior to m − 24) ‡ | 2.2 | 2.0 | 0.1187 | 2.6 | 2.6 | 0.9929 | 1.8 | 1.6 | 0.0148 |
Hospital admissions between m − 12 and m + 11 | |||||||||
In (m − 12, m − 1) for cardiac or vascular reason§ | 2.0 | 2.1 | 0.2190 | 2.3 | 2.4 | 0.2691 | 1.7 | 1.8 | 0.6059 |
In (m, m + 11) for cardiac or vascular reason (≥1 night) § | 1.9 | 2.0 | 0.5219 | 2.6 | 2.6 | 0.9400 | 1.4 | 1.5 | 0.5193 |
In (m, m + 11) for a reason other than cardiac or vascular reason (≥1 night) § | 10.0 | 9.9 | 0.6307 | 9.8 | 9.8 | 0.8753 | 10.1 | 9.9 | 0.4491 |
Abbreviations: LTD, long-term disease (entitled to 100% reimbursement); COPD, chronic obstructive pulmonary disease.
Heart disease LTD: severe heart failure, severe arrhythmia, valvular heart disease, severe congenital heart disease.
The deprivation index is not available for these areas.
These comorbidities were identified on hospital discharge and LTD diagnoses and/or prescriptions for specific drugs.
Hospital admission for cardiac or vascular reason: Diagnosis-related group classified into fields of activity “cardiology (excluding vascular catheterization),” “vascular catheterization,” “peripheral vascular.”47