Table 3.
Relationship Of Clinicopathological Characteristics With Survival In Patients With CS
| Characteristic | N | Mean Survival (Range), Months | χ2 | p |
|---|---|---|---|---|
| Age | 0.278 | 0.598 | ||
| <45 | 34 | 36.75 (5–67) | ||
| ≥45 | 46 | 34.74 (13–84) | ||
| Sex | 0.865 | 0.352 | ||
| Male | 43 | 38.65 (6–84) | ||
| Female | 37 | 33.77 (5–67) | ||
| Differentiation | 22.017 | <0.001 | ||
| Well | 58 | 40.51 (6–84) | ||
| Moderate | 12 | 28.39 (12–42) | ||
| Poor | 10 | 20.50 (5–38) | ||
| Tumor size | 0.999 | 0.318 | ||
| <5 cm | 24 | 39.58 (12–62) | ||
| ≥5 cm | 56 | 33.93 (5–84) | ||
| AJCC stage | 35.621 | <0.001 | ||
| I | 29 | 49.47 (20–84) | ||
| II | 32 | 32.53 (6–67) | ||
| III | 8 | 17.20 (13–22) | ||
| IV | 11 | 25.40 (5–61) | ||
| Enneking stage | 17.776 | <0.001 | ||
| I | 55 | 40.85 (6–84) | ||
| II | 15 | 23.83 (13–35) | ||
| III | 10 | 25.83 (5–61) | ||
| Metastasis | 5.459 | 0.019 | ||
| No | 69 | 37.69 (6–84) | ||
| Yes | 11 | 25.74 (5–61) | ||
| Invasion | 6.134 | 0.013 | ||
| No | 13 | 76.08(18–84) | ||
| Yes | 67 | 57.82(5–67) | ||
| EAAT1 | 5.682 | 0.017 | ||
| – | 38 | 41.64 (16–84) | ||
| + | 42 | 30.48 (5–67) | ||
| DHFR | 5.942 | 0.015 | ||
| – | 42 | 40.56 (6–84) | ||
| + | 38 | 29.77 (5–62) | ||
| Fetuin-A | 5.212 | 0.022 | ||
| – | 40 | 40.66 (16–67) | ||
| + | 40 | 31.07 (5–84) |
Abbreviations: CS, chondrosarcoma; EAAT1, excitatory amino acid transporter 1; DHFR, dihydrofolate reductase; N, number; AJCC, American Joint Committee on Cancer.