Table 1.
Demographic data for healthy controls and NSCLC patients.
| Demographic data | Healthy controls Number (%) |
NSCLC patients Number (%) |
p value |
|---|---|---|---|
| Samples | 61 | 34 | — |
| Age (years) | |||
| Male | 65.44 ± 7.91 | 64.25 ± 12.05 | 0.052a |
| Female | 61.59 ± 13.55 | 55.07 ± 12.43 | |
| Gender | 0.06b | ||
| Male | 39 (64) | 15 (44) | |
| Female | 22 (36) | 19 (56) | |
| Smoking status | 0.79b | ||
| Smoker | 25 (65.9) | 13 (34.1) | |
| Nonsmoker | 36 (63.2) | 21 (36.8) | |
aBased on independent sample t-test. bBased on chi-square test. Statistically, there was no difference between age and sex of the healthy and NSCLC groups (p > 0.05), but the number of smokers of the healthy control group was significantly higher than that in the NSCLC patient group (p = 0.005).