Table 1. Clinical characteristics of study patients.
| Characteristics | Lung cancer group (n = 96) | Non-cancer group (n = 288) | P-value |
| Data are presented as means ± SD or n (%). *Presented as median (interquartile range). Ever smokers: patients who smoke more than 100 cigarettes lifetime including former smokers and current smokers; Never smokers: patients who smoke less than 100 cigarettes lifetime. | |||
| Gender | |||
| Male | 76 (79.2%) | 222 (77.1%) | 0.672 |
| Female | 20 (20.8%) | 66 (22.9%) | |
| Age, yrs | |||
| ≤ 65 | 48 (50.0%) | 163 (56.6%) | 0.261 |
| > 65 | 48 (50.0%) | 125 (43.4%) | |
| Body mass index, kg/m2 | |||
| ≤ 24 | 38 (33.30%) | 109 (32.4%) | 0.762 |
| > 24 | 58 (66.70%) | 179 (67.6%) | |
| Smoking | |||
| Never smokers | 43 (44.8.0%) | 146 (50.7%) | 0.316 |
| Ever smokers | 53 (55.2.0%) | 142 (49.3%) | |
| Family history of coronary artery disease | |||
| No | 89 (92.7%) | 246 (85.4%) | 0.064 |
| Yes | 7 (7.3%) | 42 (14.6%) | |
| Hypertension | |||
| No | 43 (44.8%) | 126 (43.8%) | 0.859 |
| Yes | 53 (55.2%) | 162 (56.2%) | |
| Diabetes mellitus | |||
| No | 56 (53.3%) | 179 (58.2%) | 0.506 |
| Yes | 40 (46.7%) | 109 (41.8%) | |
| Hyperlipidemia | |||
| No | 32 (33.3%) | 118 (42.2%) | 0.184 |
| Yes | 64 (66.7%) | 170 (57.8%) | |
| Family history of cancer | |||
| No | 92 (95.8%) | 274 (95.1%) | 0.780 |
| Yes | 4 (4.2%) | 14 (4.9%) | |
| Ejection fraction, % | |||
| ≤ 50 | 11 (11.5%) | 32 (11.1%) | 0.926 |
| > 50 | 85 (88.5%) | 256 (88.9%) | |
| Laboratory data | |||
| Total cholesterol, mmol/L | 4.01 ± 0.923 | 4.03 ± 0.993 | 0.884 |
| Triglyceride, mmol/L | 1.51 ± 0.912 | 1.58 ± 0.911 | 0.541 |
| Low-density lipoprotein cholesterol, mmol/L | 2.52 ± 0.830 | 2.51 ± 0.854 | 0.892 |
| High-density lipoprotein cholesterol, mmol/L | 1.10 ± 0.271 | 1.06 ± 0.320 | 0.294 |
| Fasting blood glucose, mmol/L | 5.70 (4.97–7.13)* | 5.67 (4.87–7.37)* | 0.804 |
| SYNTAX score | 12.00 (5.00–19.75)* | 9.00 (3.00–15.00)* | 0.038 |