Table 1

 Characteristics of patients according to treatment with lipid lowering agents and lipaemic status

Total population (n = 342)Patients with dyslipaemia treated with LLAs (n = 129)Patients with untreated dyslipaemia (n = 105)Normolipaemic patients (n = 108)p Value
Values are n (%).
AChEI, acetyl choline esterase inhibitor; DRS, dementia rating scale26; LLA, lipid lowering agent; MMSE, mini-mental state examination; NA, not available; SSRI, selective serotonin reuptake inhibitor.
Men110 (32.2)46 (35.7)25 (23.8)39 (36.1)0.088
Age (years) at the end of the study76.5 (7.5)75.3 (7.1)76.9 (7.3)77.5 (8.0)0.065
Arterial hypertension197 (57.6)72 (55.8)59 (56.2)66 (61.1)0.783
Diabetes mellitus56 (16.4)25 (19.4)12 (11.4)19 (17.6)0.241
Dyslipaemia234 (68.4)129 (100)105 (100)0 <0.0001
    Hypercholesterolaemia213 (62.3)124 (96.1)89 (84.8)0 <0.0001
    Hypertriglyceridaemia76 (22.2)32 (24.8)44 (41.9)0 <0.0001
Small vascular lesions on imaging85 (24.9)27 (24.8)22 (21)36 (33.3) 0.048
Duration of disease at entry35.8 (89.8)32.9 (24)47.4 (111.2)27.9 (113.1)0.258
MMSE score at entry21.3 (5.1)22.2 (5.1)21 (5.1)20.5 (5.1) 0.034
DRS score at entry112 (19.2), NA = 37116.4 (16.2), NA = 11109.7 (21.8), NA = 9108.6 (19.1), NA = 17 0.006
AChEI at entry:279 (81.6)104 (80.6)87 (82.9)88 (81.5%)0.908
Treatment with AChEI (end of follow up)229 (67.0), NA = 2390 (69.8), NA = 763 (60.0), NA = 1578 (72.2), NA = 1 0.012
Total duration of AChEIs (months)21.8 (16), NA = 1023.3 (16.8) NA = 422.5 (16.7), NA = 319.4 (14), NA = 30.237
Antidepressant (SSRI)158 (46.2)57 (44.2)57 (54.3)44 (40.7)0.118
Follow up duration (months)34.8 (18.9)37.1 (21.5)35.5 (18)31.3 (16)0.053
Delay between first and last MMSE scores (months)30.9 (17.7)33.6 (20)31.6 (16.2)27.1 (15.3) 0.017
Annual decline on MMSE score2.1 (2.8)1.5 (2.5)2.4 (2.6)2.6 (3.3) 0.010
Follow up duration (months)34.8 (18.9)37.1 (21.5)35.5 (18)31.3 (16)0.053
Death35 (10.2)13 (10.1)11 (10.5)11 (10.2)0.995