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. 2017 Aug 25;12(8):e0183841. doi: 10.1371/journal.pone.0183841

Table 2. Patients’ characteristics.

Parameter All patients EWS OST
No. of patients 62 31 31
Gender Male 31 (50%) 18 (58%) 13 (42%)
Female 31 (50%) 13 (42%) 18 (58%)
Age Median 13.9 14.7 12.8
SD +/-3 +/- 3.2 +/- 2.9
Metastasis at diagnosis Bone lesions 9 (14%) 5 (16%) 4 (13%)
Lung lesions 14 (23%) 6 (19%) 8 (26%)
Skip metastasis 4 (6%) 2 (6%) 2 (6%)
Others 1 (2%) 0 1 (2%)
Primary tumor site Axial/pelvic 13 (21%) 13 (42%) 0
Peripheral 49 (79%) 18 (58%) 31 (100%)

EWS: Ewing sarcoma; OST: Osteosarcoma; SD: Standard Deviation