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Table 1 Wechsler Adult Intelligence Scale-IV results

From: Neuropsychiatric symptoms in a patient with Dyke–Davidoff–Masson syndrome and systemic lupus erythematosus: a case report

  Coefficient Classification Confidence interval (95%) Percentile range
Verbal Comprehension Index 70 Borderline 65–78 2
Perceptual Reasoning Index 66 Extremely low 61–74 1
Working Memory Index 55 Extremely low 51–64 0.1
Processing Speed Index 77 Borderline 71–88 6
Total intelligence quotient 65 Extremely low 61–71 1