Variable | No. of patients | Mean ± SEb | Median | p value |
---|---|---|---|---|
Tumor size | ||||
  ≤ 2 cm | 7 | 13.76 ± 3.36 | 0.26 | 0.028c |
  > 2 cm | 6 | 5.08 ± 0.02 | 0.05 |  |
TNM stage | ||||
  I | 3 | 31.73 ± 3.11 | 1.00 | 0.025d |
  II | 7 | 0.18 ± 0.13 | 0.05 |  |
  III | 3 | 0.05 ± 0.003 | 0.05 |  |
Histological grade | ||||
  I | 5 | 0.24 ± 0.19 | 0.05 | 0.097d |
  II | 4 | 0.28 ± 0.23 | 0.05 |  |
  III | 3 | 31.34 ± 31.29 | 0.05 |  |