| Cases group (n = 50) | Control group (n = 50) | t-test | P value |
---|---|---|---|---|
Wechsler memory test scale | ||||
 Figural memory | 7.09 ± 1.19 | 9.02 ± 0.87 | 4.88 | < 0.001* |
 Logical memory | 26.10 ± 2.10 | 28.48 ± 1.51 | 3.76 |  < 0.001* |
 Visual paired association | 15.76 ± 1.45 | 17.32 ± 0.96 | 2.28 |  = 0.025* |
 Visual reproduction | 35.02 ± 1.88 | 39.46 ± 1.59 | 9.87 |  < 0.001* |
 Visual MEMORY SPAN | 22.04 ± 1.72 | 25.08 ± 1.26 | 6.75 | < 0.001* |
Wechsler Adult Intelligence Scale | ||||
 Verbal IQ | 103.52 ± 6.78 | 108.74 ± 2.67 | 5.06 | < 0.001* |
 Performance IQ | 103.08 ± 6.16 | 108.30 ± 3.06 | 5.36 | < 0.001* |
 Full scale IQ | 102.78 ± 5.31 | 108.74 ± 2.55 | 7.15 | < 0.001* |
Mini-mental status examination | ||||
 | 23.68 ± 1.66 | 28.40 ± 1.28 | 5.81 | < 0.001* |