Table 2. Risk factors associated with recurrence in 32/48 patients with intradural chordoma or ecchordosis physaliphora.
Recurrence (n = 5) | No recurrence (n = 27) | p value | |
---|---|---|---|
Maximal diameter, cm | 4.3 ± 0.5 | 3.1 ± 1.3 | 0.010 |
Age, y | 46.0 ± 16.4 | 38.2 ± 19.0 | 0.381 |
Sex | 1 male/4 females | 17 males/8 females | 0.130 |
Enhancement | 5 yes/0 no | 18 yes/7 no | 0.355 |
Pathology | 5 chordoma/0 EP | 22 chordoma / 5 EP | 0.284 |
Bony stalk | 0 yes / 5 no | 3 yes/24 no | 0.424 |
Ki-67, % | 5.12 ± 3.56 | 1.08% ± 1.88 | 0.004 |
Abbreviation: EP, ecchordosis physaliphora.