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Table 1 Characteristics of the study population

From: The effect of SNPs in lncRNA as ceRNA on the risk and prognosis of hepatocellular carcinoma

Variable

Cases (N = 800)

Controls (N = 801)

P value

Age (years)

Mean ± S.D

Mean ± S.D

 

56.87 ± 10.25

56.97 ± 10.26

0.851a

Gender

  Male

652 (81.5%)

688 (86.0%)

 

  Female

148 (18.5%)

133 (16.6%)

0.319b

Cigarette smoking

  No

415 (51.9%)

430 (53.8%)

0.469b

  Yes

385 (48.1%)

371 (46.4%)

 

Alcohol consumption

  No

463 (57.9%)

514 (64.3%)

0.010b

  Yes

337 (42.1%)

287 (35.9%)

 

Family history

  No

757 (94.6%)

-

-

  Yes

43 (5.4%)

-

-

HBsAg

  Negative

171 (21.4%)

-

-

  Yes

629 (78.6%)

-

-

Anti-HCV

  Negative

697 (87.1%)

-

-

  Yes

103 (12.9%)

-

-

Liver cirrhosis

  No

230 (28.8%)

-

-

  Yes

570 (71.3%)

-

-

Child–Pugh grade

  A

696 (87.1%)

-

-

  B or C

104 (12.9%)

-

-

Tumor size

  < 5 cm

418 (52.3%)

-

-

  ≥ 5 cm

382 (47.8%)

-

-

Tumor number

  Solitary

400 (50.0%)

-

-

  Multiple

400 (50.0%)

-

-

Vascular invasion

  No

541 (67.6%)

-

-

  Yes

259 (32.4%)

-

-

Lymphatic metastasis

  No

614 (76.8%)

-

-

  Yes

186 (23.3%)

-

-

Distant metastasis

  No

631 (78.9%)

-

-

  Yes

169 (21.1%)

-

-

TNM staging

  I + II

275 (34.4%)

-

-

  III + IV

525 (65.6%)

-

-

  1. The bold and italicized value indicates statistical significance
  2. a Student’s t-test
  3. b Chi-square test. S.D. standard deviation