Table 1 Characteristics of patients and patients with chemosensitive, chemoresistant in osteosarcoma
Characteristics | Patients (n = 51) | Chemosensitive (n = 51) | Chemoresistant (n = 51) |
|---|---|---|---|
Gender | |||
Female | 25 | 26 | 23 |
Male | 26 | 25 | 28 |
Age (years) | |||
< 50 | 28 | 25 | 24 |
≥ 50 | 23 | 26 | 27 |
Histological type | |||
Well, moderate | 26 | 27 | 25 |
Poor | 25 | 24 | 26 |
TNM stage | |||
I–II | 16 | 20 | 21 |
III–IV | 35 | 31 | 30 |
Tumor size | |||
≤ 5 cm | 32 | 33 | 30 |
> 5 cm | 19 | 18 | 21 |
Lymph node metastasis | |||
N0–N1 | 22 | 20 | 23 |
N2–N3 | 29 | 31 | 28 |
Distant metastasis | |||
Absence | 31 | 33 | 30 |
Present | 20 | 18 | 21 |