Table 2. Correlation between ZFAS1 level in plasma and clinicopathologic of GC.

Feature	No. of cases	Mean ± SD	P
Age
≥60	37	0.0227 ± 0.0242	0.3841
<60	40	0.0278 ± 0.0282
Gender
Male	46	0.0258 ± 0.0271	0.9486
Female	31	0.0248 ± 0.0255
Cancer location
Distal	17	0.0314 ± 0.0298	0.5767
Middle	25	0.0221 ± 0.0307
Proximal	35	0.0264 ± 0.0227
Diameter(cm)
≥5	18	0.0318 ± 0.0324	0.3493
<5	59	0.0234 ± 0.0242
Differentiation
Well	7	0.0214 ± 0.0159	0.135
Moderate	24	0.0185 ± 0.0214
Poor	46	0.0296 ± 0.0293
TNM stage
0, I and II	31	0.0216 ± 0.0278	0.0052*
III, IV	36	0.0297 ± 0.0242
Invasion
T0-T3	43	0.0223 ± 0.0273	0.0285*
T4	34	0.0293 ± 0.0249
Lymph-node metastasis
N0	44	0.0223 ± 0.0243	0.2937
N1-N3	33	0.0279 ± 0.0279
Distant metastasis
M0	73	0.0238 ± 0.0254	0.0154*
M1	4	0.0548 ± 0.0292
CEA
Positive	13	0.0265 ± 0.0229	0.5121
Negative	64	0.0251 ± 0.0271
CA19-9
Positive	11	0.0283 ± 0.0360	0.4397
Negative	66	0.0249 ± 0.0247
Negative	66	0.0249 ± 0.0247