| Control group | Patients |  |  | |||
---|---|---|---|---|---|---|---|
N = 582 | N = 581 | T | P value | ||||
n | % | n | % | Â | Â | ||
Age | 62.47 ± 16.91 |  | 67.34 ± 12.02 |  |  |  | |
Sex | Â | Â | Â | Â | 3.73 | 0.05 | |
Male | 317 | 54.47 | 349 | 60.07 | Â | Â | |
Female | 265 | 45.53 | 232 | 39.93 | Â | Â | |
Education |  |  |  |  | 15.97 | < 0.001 | |
Primary school and below | 338 | 58.08 | 390 | 67.13 | Â | Â | |
Junior | 123 | 21.13 | 74 | 12.74 | Â | Â | |
High school or above | 121 | 20.79 | 117 | 20.14 | Â | Â | |
Marriage status | Â | Â | Â | Â | 8.06 | 0.02 | |
Married/remarried | 476 | 81.79 | 507 | 87.26 | Â | Â | |
Unmarried/divorce | 106 | 18.21 | 73 | 12.56 | Â | Â | |
Widowed | 0 | 0.00 | 1 | 0.17 | Â | Â | |
Alcohol a | Â | Â | Â | Â | 3.71 | 0.29 | |
Never | 481 | 82.65 | 469 | 80.72 | Â | Â | |
Ever | 21 | 3.61 | 34 | 5.85 | Â | Â | |
Moderate | 66 | 11.34 | 61 | 10.50 | Â | Â | |
Heavy | 14 | 2.41 | 17 | 2.93 | Â | Â | |
Smoking status b | Â | Â | Â | Â | 6.16 | 0.05 | |
Never | 475 | 81.62 | 448 | 77.11 | Â | Â | |
Ever | 26 | 4.47 | 45 | 7.75 | Â | Â | |
Current | 81 | 13.92 | 88 | 15.15 | Â | Â | |
Overweight/obesity status c | Â | Â | Â | Â | 5.11 | 0.02 | |
Yes | 182 | 31.27 | 147 | 25.30 | Â | Â | |
No | 400 | 68.73 | 434 | 74.70 | Â | Â | |
Hypertension status | Â | Â | Â | Â | 1.62 | 0.20 | |
Yes | 231 | 39.69 | 252 | 43.37 | Â | Â | |
No | 351 | 60.31 | 329 | 56.63 | Â | Â | |
CHD status | Â | Â | Â | Â | 2.77 | 0.10 | |
Yes | 129 | 22.16 | 106 | 18.24 | Â | Â | |
No | 453 | 77.84 | 475 | 81.76 | Â | Â |