Table 2.

Association between clinicopathologic variables and the expression of PAK4 and PD-L1 in 32 osteosarcomas.

Characteristics		No.	PAK4		PD-L1
			Positive	p	Positive	p
Age, years	<30	24	12 (50%)	0.217	9 (38%)	0.533
	≥30	8	6 (75%)		4 (50%)
Sex	Male	20	13 (65%)	0.198	8 (40%)	0.926
	Female	12	5 (42%)		5 (42%)
TNM stage	IIA	15	8 (53%)	0.755	5 (33%)	0.430
	IIB, III, IV	17	10 (59%)		8 (47%)
T category	T1	16	8 (50%)	0.476	5 (31%)	0.280
	T2, T3	16	10 (63%)		8 (50%)
N category	N0	30	17 (57%)	0.854	12 (40%)	0.780
	N1	2	1 (50%)		1 (50%)
M category	M0	27	15 (56%)	0.854	11 (41%)	0.975
	M1	5	3 (60%)		2 (40%)
PD-L1	Negative	19	7 (37%)	0.007
	Positive	13	11 (85%)

TNM, tumor node metastasis.