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Table 3 Current drug use in AD participants compared to controls

From: Co-morbidity and drug treatment in Alzheimer's disease. A cross sectional study of participants in the Dementia Study in Northern Norway

 

AD

n = 187

Control

n = 200

Difference*

95%CI*

p-value*

Mean number of drugs ± SD

     
 

5.1 ± 3.6

2.9 ± 2.4

1.48

0.78 to 2.21

< 0.001

Mean number of antihypertensive drugs ± SD

     
 

1.4 ± 1.3

0.8 ± 0.9

0.28

0.012 to 0.538

0.040

Participants using five drugs or more

     

n(%)

90(48)

46(23)

0.19

0.076 to 0.289

0.001

antihypertensive drugs

     

n(%)

128(68)

101(50)

0.039

-0.074 to 0.153

0.50

anticholinergic drugs

     

n(%)

43(23)

12(6)

0.161

0.080 to 0.243

< 0.001

antidepressants

     

n(%)

24(13)

4(2)

0.091

0.030 to 0.151

0.004

anxiolytic-hypnotic drugs

     

n(%)

42 (22)

15(8)

0.090

0.008 to 0.172

0.032

inappropriate drugs**

     

n(%)

69(37)

22(11)

0.193

0.097 to 0.288

< 0.001

lipid lowering agents

     

n(%)

53(28)

69(35)

0.000

-0.111 to 0.112

0.99

  1. SD = Standard deviation. CI = Confidence interval for age and gender adjusted differences. * Age and gender adjusted. Percentage differences in CIs are expressed in fractions. **According to STOPP criteria for inappropriate drug treatment