Table 1 Clinical characteristics of the patients with chondrosarcoma
Clinical characteristics | Training cohort (n = 113) | Test cohort (n = 101) | P |
|---|---|---|---|
Age (mean ± SD), year | 53.21 ± 13.811 | 51.25 ± 15.046 | 0.320 |
Sex (male/female) | 58/55 | 48/56 | 0.322 |
Height (mean ± SD), cm | 163.92 ± 15.841 | 160.10 ± 29.292 | 0.344 |
Weight (mean ± SD), kg | 68.21 ± 12.416 | 66.09 ± 12.187 | 0.220 |
Location (extremity/other) | 38/75 | 38/63 | 0.542 |
Tumor size (median [interquartile range]), mm | 58 (42.97) | 54 (32.79) | 0.106 |
Surgery (yes/no) | 100/13 | 95/6 | 0.153 |
Radiotherapy/chemotherapy (yes/no) | 22/91 | 17/84 | 0.618 |
Histological grade (I/II & III) | 58/54 | 63/39 | 0.144 |
PFS (median [interquartile range]), month | 24 (8, 55) | 26 (16, 45) | 0.342 |