Variable | No. of patients | Mean ± SEb | Median | p value |
---|---|---|---|---|
Tumor size | ||||
  ≤ 2 cm | 8 | 40.95 ± 25.88 | 0.41 | 0.033c |
  > 2 cm | 11 | 0.42 ± 0.37 | 0.05 |  |
TNM stage | ||||
  I | 5 | 63.94 ± 39.01 | 0.52 | 0.027d |
  II | 3 | 2.65 ± 2.61 | 0.05 |  |
  III | 11 | 0.42 ± 0.37 | 0.05 |  |
Histological grade | ||||
  I | 7 | 0.12 ± 0.07 | 0.05 | 0.46d |
  II | 6 | 28.22 ± 27.35 | 0.05 |  |
  III | 6 | 27.03 ± 25.40 | 0.17 |  |