Research Article
Central Auditory Processing Disorder in Patients with Amnestic Mild Cognitive Impairment
Table 1
Characteristics of participants.
| | Variables | Categories | aMCI (), | Control (), | χ2 or t | value | | N (%) or mean (SD) | N (%) or mean (SD) |
| | Sex | Men | 6 (24) | 9 (45) | 2.205 | 0.138 | | Women | 19 (76) | 11 (55) | | Age, year | | 71.52 (4.80) | 73.45 (4.32) | −1.401 | 0.169 | | Year of education | | 11.00 (4.50) | 12.15 (4.89) | −0.820 | 0.417 | | Handedness | Right | 23 (92) | 19 (95) | 0.161 | 0.688 | | Left | 2 (8) | 1 (5) | | PTAa, dB HL | Right | 21.25 (8.35) | 23.31 (9.58) | −0.771 | 0.445 | | Left | 22.00 (8.32) | 25.71 (9.36) | −1.405 | 0.167 | | WRS, % | Right | 95.28 (4.28) | 93.20 (6.10) | 1.292 | 0.205 | | Left | 96.48 (4.21) | 94.70 (3.51) | 1.514 | 0.137 | | SNSB, z score | Attention | −0.29 (0.95) | 0.23 (1.07) | −1.675 | 0.101 | | Language | −0.65 (1.70) | 0.48 (0.52) | −3.129 | 0.004** | | Visuospatial | −1.78 (2.86) | 0.33 (0.78) | −3.518 | 0.001** | | Memory | −2.40 (1.37) | 0.40 (0.73) | −8.636 | <0.001*** | | Frontal-executive function | −1.49 (2.25) | 0.23 (0.98) | −3.387 | 0.002** | | Amyloid PET | Negative | 2 (8.7) | 14 (73.7) | 18.634 | <0.001*** | | Positive | 21 (91.3) | 5 (26.3) | | APOE4 ε4 carrier | Non-carrier | 7 (33.3) | 14 (66.7) | 6.702 | 0.010* | | Carrier | 16 (72.7) | 6 (27.3) |
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aThe four-frequency average (0.5, 1, 2, and 4 kHz) for each ear was calculated.
Abbreviations: aMCI, amnestic mild cognitive impairment; PTA, pure-tone average; PET, positron emission tomography; SD, standard deviation; SNSB, Seoul Neuropsychologic Screening Batter; WRS, word recognition score. *p <0.05, **p <0.01, ***p <0.001.
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