Table 1 Statistical comparison of clinical information of two types of CM samples in TCGA training data set
| Clinical characteristics |
With metastatic (N = 358) |
Without metastatic (N = 102) | P value |
|---|---|---|---|
| Age (years, mean ± sd) | 56.26 ± 15.73 | 64.53 ± 13.91 | 7.10E−07a |
| Gender (Male/Female) | 226/132 | 60/42 | 0.488b |
| Pathologic_M (M0/M1/–) | 313/21/24 | 97/3/2 | 0.317b |
| Pathologic_N (N0/N1/N2/N3/–) | 172/65/39/44/38 | 57/8/10/11/16 | 0.0785b |
| Pathologic_T (T0/T1/T2/T3/T4/–) | 23/40/72/80/67/76 | 0/1/5/10/84/2 | 2.2E−16b |
| Pathologic_stage (I/II/III/IV/–) | 81/74/142/20/41 | 2/65/27/3/5 | 1.133E−15b |
| Radiotherapy (Yes/No/–) | 47/310/1 | 2/100/0 | 4.395E−04b |
| Tumor recurrence (Yes/No/–) | 69/135/154 | 20/72/10 | 0.0402b |
| Dead (Death/Alive) | 193/165 | 29/73 | 0.0715b |
| Overall survival time (months, mean ± sd) | 74.10 ± 67.91 | 47.15 ± 10.04 | 5.279E−22a |