Table 1.
Factors | Control group (n=50) | Research group (n=58) | χ2/t | P |
---|---|---|---|---|
Sex (Male/Female) | 27/23 | 34/24 | 0.233 | 0.629 |
Age (years old) | 71.36±7.71 | 72.36±7.74 | 0.671 | 0.504 |
Hypertension (Yes/No) | 15/35 | 13/45 | 0.805 | 0.370 |
Coronary Heart Disease (Yes/No) | 10/40 | 14/44 | 0.266 | 0.606 |
Diabetes (Yes/No) | 9/41 | 10/48 | 0.011 | 0.918 |
Chronic Obstructive Pulmonary Disease (Yes/No) | 5/45 | 8/50 | 0.365 | 0.546 |
History of smoking (Yes/No) | 8/42 | 12/46 | 0.391 | 0.532 |
History of alcoholism (Yes/No) | 18/32 | 22/36 | 0.043 | 0.836 |