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Table 1 Characteristics of cases and controls

From: MAD1L1 and TSNARE gene polymorphisms are associated with schizophrenia susceptibility in the Han Chinese population

Variables

Cases (n = 493)

Controls (n = 493)

p

Age, year (mean ± SD)

36.47 ± 13.20

36.50 ± 11.89

0.968a

> 36

220 (44.6%)

230 (46.7%)

 

≤ 36

273 (55.4%)

263 (53.3%)

 

Gender

  

0.799b

Male

261 (52.9%)

257 (52.1%)

 

Female

236 (47.1%)

232 (47.9%)

 
  1. SD: standard deviation
  2. pa values were calculated from student’s t test
  3. pb values were calculated from χ2 test
  4. p < 0.05 indicates statistical difference