Table 2

- Cohort performance in IQ assessment classified into low and normal IQ (N=50).

IQ classesLow IQNormal IQ
Full scale6 (12)44 (88)
Verbal
Fluid reasoning3 (6)47 (94)
Knowledge6 (12)44 (88)
Quantitative reasoning5 (10)45 (90)
Visual spatial19 (38)31 (62)
Working memory12 (24)38 (76)
Non-verbal
Fluid reasoning6 (12)44 (88)
Knowledge12 (24)38 (76)
Quantitative reasoning3 (6)47 (94)
Visual spatial9 (18)41 (82)
Working memory8 (16)42 (84)
  • Values are presented as numbers and percentages (%). IQ: intelligence quotient