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

IQR Interquartile range