Table 2 Clinical characteristics of children’s primary malignant bone tumor patients (n = 95)
Variable | Frequency | Percent (%) |
|---|---|---|
Duration of symptoms in days (median + IQR) | 155 ± 165 |  |
Presenting symptoms | ||
 Swelling | 91 | 95.8 |
 Pain | 51 | 56.7 |
 Constitutional symptoms | 21 | 22.1 |
 Fractures | 1 | 1.1 |
 Others (limping, wound, falling) | 8 | 8.4 |
 Site of lesion Lower extremity | 53 | 55.8 |
 Upper extremity | 12 | 12.6 |
 Shoulder | 10 | 10.5 |
 Pelvis | 9 | 9.5 |
 Other site (chest wall, neck, face, spine) | 11 | 11.6 |