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. 2021 Jun 18;9:e11636. doi: 10.7717/peerj.11636

Table 2. Demographic and clinical characteristics of the participants.

Variables CAD
(n = 271)
Controls
(n = 113)
P-valuea CAD+D
(n = 123)
CAD-D
(n = 148)
P-valueb CAD+A
(n = 57)
CAD-A
(n = 214)
P-valuec
Age (yrs) 58.4 ± 10.1 54.1 ± 10.3 0.126 58.9 ± 10.9 57.9 ± 9.5 0.147 58.1 ± 9.4 58.4 ± 10.2 0.376
Gender (M/F, n) 128/143 62/51 0.173 53/70 75/72 0.213 25/32 103/111 0.566
Smoking (n, %) 90, 33.2 38, 30.9 52, 35.1 0.461 17,29.8 73,34.1 0.541
Drinking (n, %) 97, 35.8 37, 30.1 60, 40.5 0.074 18,31.6 79,36.9 0.455
Hypertension (n, %) 210, 77.5 66, 53.7 144, 97.3 0.000* 33, 57.9 177, 82.7 0.000*
Diabetes mellitus (n, %) 53, 19.6 23, 18.7 30, 20.3 0.657 9, 15.8 44, 20.6 0.420
Stroke (n, %) 52, 19.3 22, 17.9 30, 20.3 0.539 7, 12.3 45, 21.0 0.136
Insomnia (n, %) 95, 35.1 58, 47.2 37, 25.0 0.000* 29, 50.9 66, 30.8 0.005*

Notes.

a

CAD versus controls

b

CAD+D versus CAD-D.

c

CAD+A versus CAD-A.

CAD
coronary heart disease
CAD+D
CHD with depression
CAD-D
CAD without depression
CAD+A
CAD with anxiety
CAD-A
CAD without anxiety