Feature | Training set n = 189 | Scandinavian set n = 815 | Italian set n = 287 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
No. | % | No. | % | % missing | No. | % | % missing | vs. training set p | vs. Scandinavian set p | ||
Gender | male | 85 | 45.0 | 369 | 45.3 | 0 | 120 | 42 | 0 | 0.50 | 0.31 |
female | 104 | 55.0 | 446 | 54.7 | 167 | 58 | |||||
Oncologic diagnosis grouping | 1.0 | 52 | 27.3 | 173 | 21.3 | 0.4 | 63 | 23 | 2 | 0.42 | 0.007* |
2.0 | 34 | 18.2 | 74 | 9.2 | 44 | 16 | |||||
3.0 | 103 | 54.5 | 567 | 69.1 | 173 | 62 | |||||
Organ metastases | yes | 114 | 60.3 | 325 | 39.8 | 6.3 | 91 | 36 | 12 | 0.0001* | 0.08 |
no | 75 | 39.7 | 441 | 53.9 | 161 | 64 | |||||
Lymph node metastases | yes | 36 | 18.8 | 169 | 20.8 | 61.6 | 96 | 40 | 16 | 0.0001* | 0.0007* |
no | 153 | 81.2 | 143 | 17.6 | 146 | 60 | |||||
Skeletal metastases | solitary | 55 | 29.0 | 123 | 15.2 | 3.4 | 139 | 49 | 1 | 0.0001* | 0.0001* |
multiple | 134 | 71.0 | 666 | 81.4 | 144 | 51 | |||||
Pathologic fracture status | yes | 84 | 44.2 | 614 | 75 | 0.9 | 143 | 52 | 5 | 0.08 | 0.0001* |
no | 105 | 55.8 | 196 | 24.1 | 131 | 48 | |||||
ECOG performance status | 0,1,2 | 93 | 49.2 | 558 | 68.3 | 0 | 123 | 54 | 20 | 0.39 | 0.0001* |
3,4 | 96 | 50.8 | 257 | 31.7 | 106 | 46 | |||||
Survival >3 months | yes | 129 | 68.3 | 557 | 68.2 | 0 | 267 | 93 | 0 | 0.0001* | 0.0001* |
no | 60 | 31.7 | 258 | 31.8 | 20 | 7 | |||||
Survival >12 months | yes | 79 | 41.8 | 241 | 29.8 | 0 | 181 | 63 | 0 | 0.0001* | 0.0001* |
no | 110 | 58.2 | 574 | 70.2 | 106 | 37 |