Table 1.
Demographic characteristics of non-small cell lung cancer (NSCLC) and healthy controls (HCs)
| Patients’ characteristics | NSCLC (n = 93) n (%) | HC (n = 84) n (%) | P-value |
|---|---|---|---|
| Gender | |||
| Male | 69 (74) | 59 (70) | 0.55 |
| Female | 24 (26) | 25 (30) | |
| Age group (years) | |||
| 30-40 | 3 | 1 | 0.34 |
| 41-50 | 8 | 13 | |
| 51-60 | 27 | 19 | |
| > 60 | 55 | 51 | |
| Smoking status | |||
| Active smoker | 66 (71) | NA | < 0.0001 |
| Ex-smoker | NA | 25 (30) | |
| Never-smoker | 27 (29) | 59 (70) | |
| Stage | |||
| Stage III | 47 (51) | NA | < 0.0001 |
| Stage IV | 46 (49) | NA | |
| Types | |||
| Adenocarcinoma | 46 (49) | NA | < 0.0001 |
| Squamous cell carcinoma | 47 (51) | NA | |
| Family history | |||
| Yes | 52 (56) | NA | < 0.0001 |
| None | 41 (44) | 84 (100) | |
| Symptoms of chest pain NSCLC© | |||
| 1 symptom | 6 | NA | – |
| 2 symptoms | 17 | NA | |
| 3 symptoms | 24 | NA | |
| 4 symptoms | 21 | NA | |
| 5 symptoms | 17 | NA | |
| 6 symptoms | 6 | NA | |
| 7 symptoms | 2 | NA | |
©Symptoms (chest pain, dyspnoea, pneumonia, coughing up blood, hoarseness, loss of appetite, unexplained weight loss), NA – not applicable