Table 1.
Baseline characteristics of the discovery cohort.
| Patients with lung cancer (n = 42) | Healthy control (n = 65) | P value* | ||
|---|---|---|---|---|
| Demographics/anthropometric | ||||
| Age yr (mean ± SD) | 57.48 ± 12.49 | 58.60 ± 4.86 | 0.51 | |
| Male/female (No.) | 18/24 | 10/55 | 0.003 | |
| BMI (kg/m2) (mean ± SD) | 23.73 ± 2.87 | 23.37 ± 2.45 | 0.49 | |
| Tumor stage (%) | ||||
| 0 | 6 (14.29%) | N/A | ||
| I | 32 (76.19%) | N/A | ||
| II | 4 (9.52%) | |||
| Tumor type (%) | ||||
| ADC | 37 (88.10%) | N/A | ||
| SCC | 3 (7.14%) | |||
| LCC | 2 (4.76%) | |||
| Tumor metastasis (%) | N/A | |||
| Metastasis | 3 (7.14%) | |||
| Non-metastasis | 39 (92.86%) | |||
| Smoking status (%) | ||||
| Never smoker | 41 (97.62%) N/I | |||
| Ever smoker | 1 (2.38%) | |||
Unpaired t-test was used to compare age and BMI between lung cancer group and healthy controls; Fisher’s exact test was used to compare gender distribution between the two groups. N/A, not applicable; N/I, no information.