Table 1.

Clinicopathological characteristics of the patients

Characteristics	n (%)	DUSP6 expression		p‐value
		Low (n = 64)	High (n = 26)
Patient age, years
<50	16 (17.8%)	12 (18.8%)	4 (15.4%)	1.0000
≥50	74 (82.2%)	52 (81.2%)	22 (84.6%)
Tumor grade
1	38 (42.2%)	33 (51.6%)	5 (19.2%)	0.0052
2/3	52 (57.8%)	31 (48.4%)	21 (80.8%)
Tumor invasion
T1/T2	69 (76.7%)	52 (81.3%)	17 (65.4%)	0.1674
T3/T4	21 (23.3%)	12 (18.7%)	9 (34.6%)
Metastasis (N1 or M1)
No	61 (67.8%)	48 (75.0%)	13 (50.0%)	0.0270
Yes	29 (32.2%)	16 (25.0%)	13 (50.0%)
TNM stage
I/II	55 (61.1%)	44 (68.8%)	11 (42.3%)	0.0309
III/IV	35 (38.9%)	20 (31.2%)	15 (57.6%)