Research Article

Effects of Atorvastatin on Atherosclerosis and Atherogenesis in Systemic Lupus Erythematosus: A Pilot Study

Table 1

Baseline demographic and clinical characteristics of participants.

Placebo ( )AT naïve ( )AT continuing ( )

Age (years), mean (SD)45.9 (10.9)47.6 (13.6)54.8 (15.6)
Female (%)14/14 (100.0%)15/15 (100.0%)5/5 (100.0%)
Caucasian (%)11/14 (78.6%)15/15 (100.0%)5/5 (100.0%)
Black (%)3/14 (21.4%)0/15 (0.0%)0/5 (0.0%)
Disease duration, median (IQR)15.00 (7.50 to 22.75)6.00 (2.00 to 13.00)10.00#
Systolic BP (mmHg), median (IQR)131.00* (113.00 to 143.00)120.00 (105.5 to 130.7)135.00#
Diastolic BP (mmHg), median (IQR)80.00* (76.50 to 81.50)77.00 (64.00 to 82.25)82.00#
IMT CC mm, median (IQR)0.055 (0.050 to 0.064)0.055 (0.043 to 0.064)0.060#
Past medical history
 Diabetes, (%)0/14 (0.0%)0/13 (0.0%)1/5 (20.0%)
 Asthma/chronic bronchitis, (%)1/14 (7.1%)4/15 (26.7%)0/5 (0.0%)
 Renal disease, (%)1/14 (7.1%)3/14 (21.4%)2/4 (50.0%)
 Hypertension, (%)8/14 (57.1%)8/15 (53.3%)5/5 (100.0%)
 Ischaemic heart disease, (%)1/14 (7.1%)1/14 (7.1%)1/4 (25.0%)
 Cerebrovascular disease, (%)2/13 (15.4%)2/14 (14.3%)2/4 (50.0%)
 Peripheral vascular disease, (%)2/14 (14.3%)5/14 (35.7%)1/4 (25.0%)
 Gut Disease, (%)1/14 (7.1%)2/15 (13.3%)1/4 (25.0%)
 Hyperlipidaemia, (%)3/13 (23.1%)3/12 (25.0%)3/4 (75.0%)
 Ever smoked, (%)8/14 (57.1%)7/15 (46.7%)2/4 (50.0%)
 Pack years, median (IQR)1.00 (0.75 to 28.75)3.00 (1.00 to 19.00)1# ( )
 BMI, median (IQR)26.5* (23.5 to 29.2)25.20 (22.58 to 32.46)24.65#
Parental history, (%)
 Diabetes mellitus4/14 (28.6%)3/13 (23.1%)1/4 (25.0%)
 Hypercholesterolaemia3/13 (23.1%)3/13 (23.1%)1/3 (33.3%)
 Myocardial infarction6/14 (42.9%)7/13 (53.8%)1/4 (25.0%)
 Myocardial infarction <50 yrs0/14 (0.0%)5/12 (41.7%)0/4 (0.0%)
 Ischaemic stroke4/14 (28.6%)5/13 (38.5%)1/4 (25.0%)
Drug history, (%)
 Prednisolone 7/14 (50.0%)10/15 (66.7%)3/5 (60.0%)
 Hydroxychloroquine7/14 (50.0%)8/15 (53.3%)2/5 (40.0%)
 Methotrexate2/14 (14.3%)3/15 (20.0%)0/5 (0.0%)
 Antihypertensive7/14 (50.0%)6/15 (40.0%)3/5 (60.0%)
 Warfarin1/14 (7.1%)5/15 (33.3%)0/5 (0.0%)
 Aspirin9/14 (64.3%)2/15 (13.3%)2/5 (40.0%)
Laboratory features
 IgG aCL >20 GPL, (%)1/14 (7.1%)3/13 (23%)0/5 (0.0%)
 IgG aβ 2GPI >12 U/L, (%)2/14 (14.2%)3/13 (23%)0/0 (0.0%)
 Lupus anticoagulant, (%)2/13 (14.2%)3/15 (20%)0/0 (0.0%)
 Cholesterol, median (IQR)5.15 (4.48 to 5.93)4.30 (3.80 to 5.60)5.00#
 LDL, median (IQR)2.80* (2.50 to 3.55)2.70 (1.13 to 3.23)2.30# ( )
 HDL, median (IQR)1.75 (1.38 to 2.00)1.35 (1.18 to 1.50)2.60# ( )
 Creatinine, median (IQR)79.00 (77.25 to 87.25)82.00 (74.00 to 88.00)88.00#
 ESR, median (IQR)15.0* (10.0 to 32.0)16.00* (8.00 to 24.00)20.00# ( )

AT: atorvastatin; BP: blood pressure; BMI: body mass index; IQR: interquartile range; aCL: anticardiolipin; β 2GPI: beta-2-glycoprotein-1; ESR: erythrosedimentation rate. #Interquartile range not calculated due to small sample size , , and .