Table 5. Comparison of serum levels of miR-21, HSP90α, and GASP-1 among different TNM stages (x̄±s).

* Indicates P < 0.05 compared with stage I; + indicates P < 0.05 compared with stage II; - indicates P < 0.05 compared with stage III.

Group	miR-21 level	HSP90α (pg/mL)	GASP-1 (ng/mL)
Stage I group (n=12)	1.05±0.31	311.16±24.10	128.33±23.02
Stage II group (n=22)	1.12±0.45	319.15±28.15	131.28±18.26
Stage III group (n=25)	1.89±0.51*+	411.26±21.56*+	177.26±16.26*+
Stage IV group (n=21)	2.43±0.61*+-	445.21±18.59*+-	201.56±12.06*+-