Table 3 Characteristics of SPMs patients after PCa.
Characteristics | Training set (n = 1543) | Validation set (n = 660) | X2 | p | ||
|---|---|---|---|---|---|---|
N | % | N | % | |||
Site of SPMs | 4.91 | 0.423 | ||||
Skin | 439 | 28.5 | 188 | 28.5 | ||
Bronchus and lung | 298 | 19.3 | 111 | 16.8 | ||
Renal | 145 | 9.4 | 71 | 10.8 | ||
Liver | 85 | 5.5 | 48 | 7.3 | ||
Thyroid gland | 87 | 5.6 | 38 | 5.8 | ||
Others | 489 | 31.7 | 204 | 30.9 | ||
Histology of SPMs | 7.47 | 0.188 | ||||
Squamous cell cancer | 426 | 27.6 | 159 | 24.1 | ||
Melanomas | 413 | 26.8 | 173 | 26.2 | ||
Papillary adenocarcinoma | 118 | 7.6 | 62 | 9.4 | ||
Hepatocellular carcinoma | 75 | 4.9 | 44 | 6.7 | ||
Renal cell carcinoma | 79 | 5.1 | 29 | 4.4 | ||
Others | 432 | 28.0 | 193 | 29.2 | ||
Age | 3.40 | 0.334 | ||||
<= 60 | 205 | 13.3 | 98 | 14.8 | ||
61–70 | 589 | 38.2 | 268 | 40.6 | ||
71–80 | 588 | 38.1 | 226 | 34.2 | ||
> 80 | 161 | 10.4 | 68 | 10.3 | ||
Race | 0.71 | 0.703 | ||||
White | 1261 | 81.7 | 532 | 80.6 | ||
Black | 220 | 14.3 | 103 | 15.6 | ||
Others | 62 | 4.0 | 25 | 3.8 | ||
Stage_T | 1.22 | 0.875 | ||||
Ta | 71 | 4.6 | 27 | 4.1 | ||
T1 | 673 | 43.6 | 301 | 45.6 | ||
T2 | 344 | 22.3 | 149 | 22.6 | ||
T3 | 279 | 18.1 | 111 | 16.8 | ||
T4 | 176 | 11.4 | 72 | 10.9 | ||
Stage_N | 9.37 | 0.035 | ||||
N0 | 1131 | 73.3 | 511 | 77.4 | ||
N1 | 164 | 10.6 | 67 | 10.2 | ||
N2 | 203 | 13.2 | 58 | 8.8 | ||
N3 | 45 | 2.9 | 24 | 3.6 | ||
Stage_M | 1.52 | 0.218 | ||||
M0 | 1359 | 88.1 | 594 | 90.0 | ||
M1 | 184 | 11.9 | 66 | 10.0 | ||
LNR | 0.41 | 0.521 | ||||
No | 1214 | 78.7 | 528 | 80.0 | ||
Yes | 329 | 21.3 | 132 | 20.0 | ||
SPM surgical history | 0.79 | 0.374 | ||||
Yes | 521 | 33.8 | 210 | 31.8 | ||
No | 1022 | 66.2 | 450 | 68.2 | ||
Histology of PCa | 1.27 | 0.260 | ||||
Other | 13 | 0.8 | 9 | 1.4 | ||
Ade | 1530 | 99.2 | 651 | 98.6 | ||
PCa surgical history | 0.07 | 0.792 | ||||
Yes | 977 | 63.3 | 414 | 62.7 | ||
No | 566 | 36.7 | 246 | 37.3 | ||
PCa stage | 2.73 | 0.440 | ||||
I | 431 | 27.9 | 194 | 29.4 | ||
II | 905 | 58.7 | 373 | 56.5 | ||
III | 139 | 9.0 | 55 | 8.3 | ||
IV | 68 | 4.4 | 38 | 5.8 | ||
Marital status | ||||||
Married | 1030 | 66.8 | 426 | 64.5 | 0.13 | 0.936 |
Previously married | 360 | 23.3 | 166 | 25.2 | ||
Never married | 153 | 9.9 | 68 | 10.3 | ||
