Table 1

Characteristics of eligible patients being treated with statins and free from cardiovascular disease at baseline. Patients are stratified by response to statin (based on LDL-C measurement) 24 months after initiation of statin therapy

CharacteristicsTotal number (%)Optimal statin responders, n (%)Sub-optimal statin responders, n (%)
165 411 (100)80 802 (48.85)84 609 (51.15)
Follow-up time (years)Median (IQR)6.2 (3.4–9.3)6.5 (3.6–9.6)5.9 (3.3–9.1)
FemalesNo. (%)80 370 (48.6)40 739 (50.4)39 631 (46.8)
Age (years)Mean (SD)62.4 (11.8)*63.6 (11.4)61.3 (12.0)
Baseline LDL-C (mmol/L)Mean (SD)4.1 (1.1)4.4 (1.1)3.8 (1.1)
Post-treatment LDL-C within 24 months (mmol/L)Mean (SD)2.6 (1.0)2.1 (0.6)3.1 (1.0)
BMI (kg/m2)Mean (SD)29.1 (5.7)†29.0 (5.5)29.3 (5.9)
Systolic blood pressure (mm Hg)Mean (SD)143 (19)‡144 (20)141 (19)
Diastolic blood pressure (mm Hg)Mean (SD)83 (11)§83 (11)82 (11)
Alcohol misuseNo. (%)1231 (0.7)493 (0.6)738 (0.9)
Smoking
 Non-smokerNo. (%)2561 (1.6)1259 (1.6)1302 (1.5)
 Ex-smoker1838 (1.1)881 (1.1)957 (1.1)
 Smoker2003 (1.2)868 (1.1)1135 (1.3)
 Unknown status159 009 (96.1)77 794 (96.3)81 215 (96.0)
 Index of Multiple Deprivation (patients)
 1No. (%)21 945 (22.9)11 044 (23.8)10 901 (22.1)
 221 142 (22.1)10 467 (22.6)10 675 (21.6)
 319 224 (20.1)9288 (20.0)9936 (20.1)
 418 186 (19.0)8583 (18.5)9603 (19.4)
 515 291 (16.0)6990 (15.1)8301 (16.8)
Comorbidities (before first statin)
Diabetes
 Non-diabeticNo. (%)137 984 (83.42)67 739 (83.8)70 245 (83.0)
 Poorly-controlled diabetic9246 (5.6)4351 (5.4)4895 (5.8)
 Well-controlled diabetic3253 (2.0)1698 (2.1)1555 (1.8)
 Diabetic control status unknown14 928 (9.0)7014 (8.7)7914 (9.4)
DyslipidaemiasNo. (%)13 445 (8.1)6351 (7.9)7094 (8.4)
Atrial fibrillationNo. (%)4849 (2.9)2473 (3.1)2376 (2.8)
Chronic kidney diseaseNo. (%)4469 (2.7)2264 (2.8)2205 (2.6)
Family history of cardiovascular diseaseNo. (%)17 522 (10.6)8495 (10.5)9027 (10.7)
Family history of hyperlipidaemiaNo. (%)389 (0.2)183 (0.2)206 (0.2)
Treated hypertensionNo. (%)43 242 (26.1)22 711 (28.1)20 531 (24.3)
HypothyroidismNo. (%)6867 (4.2)3492 (4.3)3375 (4.0)
Liver diseaseNo. (%)1556 (0.9)729 (0.9)827 (1.0)
MigraineNo. (%)3612 (2.2)1800 (2.2)1812 (2.1)
Nephrotic syndromeNo. (%)111 (0.1)50 (0.1)61 (0.1)
Rheumatoid arthritisNo. (%)1465 (0.9)718 (0.9)747 (0.9)
Severe mental illnessNo. (%)710 (0.4)350 (0.4)360 (0.4)
Systemic lupus erythematosusNo. (%)181 (0.1)77 (0.1)104 (0.1)
Medications (prescribed within 12 months before first statin)
Medication countMedian (IQR)6 (3–9)6 (3–9)6 (3–9)
AntipsychoticsNo. (%)6919 (4.2)3634 (4.5)3285 (3.9)
Other lipid lowering medicationNo. (%)670 (0.4)244 (0.3)426 (0.5)
Oral corticosteroidsNo. (%)6760 (4.1)3193 (4.0)3567 (4.2)
Potency of initial statin prescribed
 LowNo. (%)39 343 (23.8)14 674 (18.2)24 669 (29.2)
 Medium117 264 (70.9)61 511 (76.1)55 753 (65.9)
 High8804 (5.3)4617 (5.7)4187 (5.0)
Missing data
Missing BMINo. (%)73 801 (44.6)37 132 (46.0)36 669 (43.3)
Missing systolic blood pressureNo. (%)19 383 (11.7)8357 (10.3)11 026 (13.0)
Missing diastolic blood pressureNo. (%)19 322 (11.7)8317 (10.3)11 005 (13.0)
  • *Mean (SD) for all 165 411 patients.

  • †Mean (SD) for 91 610 (optimal: 43 670; sub-optimal: 47 940) patients with baseline body mass index record.

  • ‡Mean (SD) for 146 028 (optimal: 72 445; sub-optimal: 73 583) patients with baseline systolic blood pressure record.

  • §Mean (SD) for 146 089 (optimal: 72 485; sub-optimal: 73 604) patients with baseline diastolic blood pressure record.

  • BMI, body mass index; LDL-C, low-density lipoprotein cholesterol.