Table 1.
Demographic data of patients in the GSE46581 dataset (non-Asian).
|
Patients in the early stage (N = 25) |
Patients in the late stage (N = 16) |
P value | |||
|---|---|---|---|---|---|
| n | % | n | % | ||
| Age (years) | |||||
| ≤39 | 3 | 12.00 | 4 | 25.00 | |
| 40~49 | 6 | 24.00 | 6 | 37.50 | |
| ≥50 | 16 | 64.00 | 5 | 31.25 | 0.1451 |
| Missing value |
0 | 1 | 6.25 | ||
| Lymph nodes | |||||
| Negative | 16 | 64.00 | 4 | 25.00 | |
| Positive | 2 | 8.00 | 7 | 43.75 | <0.05* |
| Not applicable |
7 | 28.00 | 5 | 31.25 | |
*The statistical significance (*P < 0.05) of the difference between early-stage and late-stage patients was determined by Chi-square test.