Table 1.
Patient characteristics
| Parameter | Frequency (%) n = 43 |
|---|---|
| Age | |
| Children < 18 years | 10 (23.3 %) |
| Adults ≥ 18 years | 33 (76.7 %) |
| Sex | |
| Male | 28 (65.1 %) |
| Female | 15 (34.9 %) |
| Tumor localization | |
| Extremities | 27 (62.8 %) |
| Head/neck | 6 (14.0 %) |
| Other | 5 (11.6 %) |
| Unknown | 5 (11.5 %) |
| Histology | |
| Monophasic | 17 (39.5 %) |
| Biphasic | 13 (30.2 %) |
| Unknown | 13 (30.2 %) |
| Neoadjuvant treatment | |
| None | 34 (79.1 %) |
| Chemotherapy | 3 (7.0 %) |
| Radiotherapy | 0 |
| Unknown | 6 (14.0 %) |
| Expression of nuclear cyclin D1 | |
| Negative | 12 (27.9 %) |
| Positive | 29 (67.4 %) |
| Missing | 2 (4.7 %) |
| Expression of nuclear Rb | |
| Negative | 33 (76.7 %) |
| Positive | 9 (20.9 %) |
| Missing | 1 (2.3 %) |
| Expression of nuclear phospho-Rb | |
| Negative | 31 (72.1 %) |
| Positive | 11 (25.6 %) |
| Missing | 1 (2.3 %) |
| Expression of cytoplasmic p16 | |
| Low | 27 (62.8 %) |
| High | 12 (27.9 %) |
| Missing | 4 (9.3 %) |
| Expression of nuclear p21 | |
| Negative | 34 (79.1 %) |
| Positive | 6 (14.0 %) |
| Missing | 3 (7.0 %) |
| Expression of cytoplasmic p27 | |
| Low | 25 (58.1 %) |
| High | 16 (37.2 %) |
| Missing | 2 (4.7 %) |
| Expression of β-catenin | |
| Nuclear | |
| Negative | 11 (25.6 %) |
| Positive | 30 (69.8 %) |
| Missing | 2 (4.7 %) |
| Cytoplasmic | |
| Negative | 7 (16.3 %) |
| Positive | 34 (79.1 %) |
| Missing | 2 (4.7 %) |
| Membranous | |
| Negative | 30 (69.8 %) |
| Positive | 11 (25.6 %) |
| Missing | 2 (4.7 %) |