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. 2012 Aug 24;12:47. doi: 10.1186/1471-2318-12-47

Table 2.

Past medical history

 
Abnormal cognitive test results
Statistic
p value
Significant post-hoc differences
 
0
1
2
 
 
 
  n = 55 n = 68 n = 77      
Ischemic heart disease
43%
34%
27%
χ2(2, N = 200) = 3.05
0.22
-
Arrhythmia
39%
37%
30%
χ2(2, N = 200) = 1.45
0.49
-
Heart failure
24%
30%
29%
χ2(2, N = 200) = 0.81
0.67
-
Hypertension
47%
52%
47%
χ2(2, N = 200) = 0.37
0.83
-
COPD
26%
19%
16%
χ2(2, N = 200) = 2.00
0.37
-
Gastrointestinal disease
22%
18%
13%
χ2(2, N = 200) = 1.80
0.41
-
Stroke/TIA
19%
21%
21%
χ2(2, N = 200) = 0.16
0.92
-
Diabetes
22%
29%
18%
χ2(2, N = 200) = 2.63
0.27
-
Cancer, nonskin
31%
30%
25%
χ2(2, N = 200) = 0.72
0.70
-
Neurocognitive disorder
6%
4%
12%
χ2(2, N = 200) = 3.21
0.22
-
Drugs in chart, mean(SD)
7.1(3.8)
7.6(4.0)
6.6(3.7)
F(2, 197) = 1.20
0.30
-
Charlson comorbidity index, mean(SD) 2.3(1.7) 2.4(1.4) 2.1(1.5) F(2, 197) = 0.77 0.47 -

Past medical history of the three groups. TIA = transient ischemic attack. COPD = chronic obstructive pulmonary disorder.