Construction and Validation of a Macrophage-Associated Risk Model for Predicting the Prognosis of Osteosarcoma

Table 1

Detailed clinical information about the TARGET-OS data set.

Characteristics	Risk group		value
	Low-risk group	High-risk group
Age (IQR)	15.67 (12.36–16.49)	13.35 (10.08–16.23)	0.173
Gender
Female	15	12	0.311
Male	14	19
Race
White	26	25	0.384
Black	5	2
Asian	2	4
Tumor metastasis
Metastatic	4	8	0.161
Nonmetastatic	29	23

IQR: interquartile range.