Table 1.

Patient characteristics

CharacteristicTotal (N = 29) patients (%)Primary (n = 12) patients (%)Metastatic (n = 17) patients (%)Significance between primary and metastatic (P)
Gender
 Male19 (65.6)7 (58.3)12 (70.6)0.69
 Female10 (34.4)5 (41.7)5 (29.4)
Mean age at surgery, years (interquartile range)37.9 (25.0–48.0)35.3 (24.5–46.0)39.8 (28.0–49.0)0.47
Prior chemotherapy20 (69.0)4 (33.3)16 (94.1)0.001
Prior radiotherapy13 (41.4)3 (25.0)10 (5)0.13