Table 2. Association between TIMP2 expression and clinicopathological characteristics of patients with OS.

Characteristics	Cases	TIMP2		P-value
		Low	High
Age (years)				0.840
≥18	30	18	12
<18	32	20	12
Gender				0.059
Female	30	22	8
Male	32	16	16
Tumor size, cm				0.003*
≤5	34	26	8
>5	28	12	16
TNM stage				0.029*
I	34	25	9
II/III	28	13	15
Distant metastasis				0.006*
No	29	23	6
Yes	33	15	18
Location				0.077
Femur/tibia	32	23	9
Elsewhere	30	15	15

Statistical analyses were performed by the χ² test.

^*P<0.05 was considered significant.