Table 5.
Gender distribution of sacral malignant tumors
| Histology | No. | Male | Female | M:F | Age range (years) | Mean ± SD (age) | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. | No. | % | No. | % | Male | Female | Total P value | |||
| Chordoma | 316 | 210 | 66.5% | 106 | 33.5% | 1.98:1 | 18–86 | 56.1 ± 13.3 | 54.1 ± 14.4 |
55.4 ± 13.7 P = 0.236 |
| Chondrosarcoma | 74 | 41 | 55.4% | 33 | 44.6% | 1.24:1 | 17–69 | 37.7 ± 14.8 | 44.9 ± 10.0 |
40.9 ± 13.3 P = 0.015 |
| Myeloma | 53 | 36 | 67.9% | 17 | 32.1% | 2.12:1 | 22–78 | 53.4 ± 14.4 | 55.6 ± 10.6 |
54.1 ± 13.2 P = 0.567 |
| Malignant peripheral nerve sheath tumor | 47 | 19 | 40.4% | 28 | 59.6% | 0.68:1 | 8–75 | 40.4 ± 18.3 | 41.0 ± 15.8 |
40.8 ± 16.7 P = 0.903 |
| Ewing sarcoma | 47 | 24 | 51.1% | 23 | 48.9% | 1.04:1 | 2–56 | 23.8 ± 13.1 | 22.7 ± 12.8 |
23.3 ± 12.8 P = 0.791 |
| Osteosarcoma | 40 | 23 | 57.5% | 17 | 42.5% | 1.35:1 | 10–58 | 29.0 ± 13.6 | 22.0 ± 10.3 |
26.0 ± 12.7 P = 0.085 |
| Lymphoma | 35 | 15 | 42.9% | 20 | 57.1% | 0.75:1 | 20–78 | 46.2 ± 16.4 | 49.2 ± 14.3 |
47.9 ± 15.0 P = 0.574 |