Characteristics | Case number | High (n = 25) | Low (n = 25) | P value |
---|---|---|---|---|
Age at surgery (years) | Â | Â | Â | 0.569 |
 < 60 | 28 | 15 | 13 |  |
 ≥ 60 | 22 | 10 | 12 |  |
Gender | Â | Â | Â | 0.529 |
 Male | 36 | 17 | 19 |  |
 Female | 14 | 8 | 6 |  |
pT stage | Â | Â | Â | 0.041 |
 pT1+pT2 | 19 | 6 | 13 |  |
 pT3+pT4 | 31 | 19 | 12 |  |
Tumor size (cm) | Â | Â | Â | 0.254 |
 < 5 | 28 | 12 | 16 |  |
 ≥ 5 | 22 | 13 | 9 |  |
Location | Â | Â | Â | 1 |
 Cardiac | 20 | 10 | 10 |  |
 Non-cardiac | 30 | 15 | 15 |  |
pTNM stage | Â | Â | Â | 0.023 |
 I + II | 24 | 7 | 15 |  |
 III + IV | 26 | 18 | 10 |  |
Differentiation | Â | Â | Â | 0.034 |
 Poorly | 42 | 23 | 17 |  |
 Well | 8 | 2 | 8 |  |