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Table 9 Significance of differences in individual age groups (schizophrenia and control group)—Mann–Whitney U test

From: Cognitive impairment in schizophrenia across age groups: a case–control study

Age

 

WCST total errors

WCST perseverative errors

WCST categories achieved

RAVLT A7

RAVLT Recognition

ROCFT main elements

TMT A

TMT B

Digits forward

Digit backwards

Verbal fluency

Stroop Coefficient

18–25

U

271,00

280,50

269,00

179,50

242,00

162,00

121,50

86,00

235,50

185,00

111,00

149,00

p

0,157

0,210

0,147

0,001

0,053

0,000

0.000

0.000

0,039

0,002

0,000

0,000

26–35

U

179,00

224,00

195,50

105,50

108,50

112,00

109,50

136,00

255,50

145,00

138,00

207,00

p

0,028

0,20

0,061

0.000

0,000

0.000

0.000

0.000

0.144

0.000

0.000

0.018

36–45

U

65,00

82.50

31.00

48.00

73.00

75.00

41.00

34.00

58.50

33.00

64.50

372.00

p

0.001

0.007

0.000

0.000

0.003

0.004

0.000

0.000

0.001

0.000

0.001

0.000

46–55

U

33.50

129.50

64.50

4.00

29.50

35.50

11.00

2.50

76.000

17.00

30.50

12.00

p

0.000

0.048

0.000

0.000

0.000

0.000

0.000

0.000

0.000

0.000

0.000

0.000

  1. Bold print - Singificance p < 0.05