Journal of the Korean Academy of Child and Adolescent Psychiatry : eISSN 2233-9183 / pISSN 1225-729X

Table. 5.

Difference between intelligence subindex scores based on medication prescription

Measures Paired differences t df p
Mean±SD 95% CI
Prescription before the test, yes (n=46)
VCI minus PRI 5.587±13.077 1.704-9.470 2.898 45 0.006**
VCI minus WMI 6.565±13.502 2.556-10.575 3.298 45 0.002**
VCI minus PSI 13.130±13.875 9.010-17.251 6.418 45 <0.001***
PRI minus WMI 0.978±12.461 -2.722-4.679 0.532 45 0.597
PRI minus PSI 7.543±14.031 3.377-11.710 3.646 45 0.001**
WMI minus PSI 6.565±14.826 2.162-10.968 3.003 45 0.004**
Prescription before the test, no (n=59)
VCI minus PRI 3.153±13.879 -0.464-6.769 1.745 58 0.086
VCI minus WMI 0.508±13.996 -3.139-4.156 0.279 58 0.781
VCI minus PSI 6.814±18.355 2.030-11.597 2.851 58 0.006**
PRI minus WMI -2.644±15.074 -6.572-1.284 -1.347 58 0.183
PRI minus PSI 3.661±16.469 -0.631-7.953 1.707 58 0.093
WMI minus PSI 6.305±18.039 1.604-11.006 2.685 58 0.009**

**p<0.01; ***p<0.001. CI, confidence interval; PRI, Perceptual Reasoning Index; PSI, Processing Speed Index; SD, standard deviation; VCI, Verbal Comprehension Index; WMI, Working Memory Index

J Korean Acad Child Adolesc Psychiatry 2025;36:26-35 https://doi.org/10.5765/jkacap.240025
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