Table 1 Clinicopathological characteristics of patients with osteosarcoma
|  | Training cohort | Validation cohort GSE14827(n = 27) and GSE87437(n = 21) |  | |||
|---|---|---|---|---|---|---|
TARGET(n = 52) | GSE39055(n = 37) | |||||
Response | Good (n = 21) | Poor (n = 31) | Good (n = 21) | Poor (n = 27) | Good (n = 14) | Poor (n = 23) |
Age (years) | ||||||
 Median | 15 | 14 | 15 | 15 | 11 | 12 |
 Range | 9 to 32 | 9 to 39 | 5 to 38 | 8 to 24 | 4 to 23 | 4 to 71 |
Gender | ||||||
 Female | 8 | 13 | 9 | 7 | 6 | 12 |
 Male | 13 | 18 | 12 | 20 | 8 | 11 |
Recurrence | ||||||
 Yes | 6 | 19 | – | – | 4 | 14 |
 No | 15 | 12 | – | – | 10 | 9 |
Survival (months) | ||||||
 Median | 52.7 | 35.4 |  |  | 65.15 | 29 |
 Range | 18 to 131 | 9 to 194 |  |  | 14 to 200.9 | 2.7 to 196.1 |
Status | ||||||
 Alive | 17 | 14 | – | – | 14 | 14 |
 Dead | 4 | 17 | – | – | 0 | 9 |