Table 4:

Follow-up intelligence (WASI), verbal memory (CVLT-II), and executive function (D-KEFS CWIT) scores at 12 months for non-surgical and surgical groups

12 months	Non-surgical (n = 14)	Surgical (n = 21)	p
WASI
Matrix reasoning	49.5 (44.0–55.5)	53.0 (45.5–56.5) (n = 20)	0.65
Vocabulary	53.2 (± 3.0) (n = 13)	45.9 (± 2.4) (n = 20)	0.07
CVLT-II
Short-term recall	48.0 (± 4.0)	48.2 (±2.1)	0.96
Short-delay free recall	49.6 (± 3.3)	48.1 (± 2.3)	0.69
Long-delay free recall	42.5 (30.0–56.3)	50.0 (45.0–52.5)	0.21
D-KEFS CWIT
Inhibition completion time	51.5 (42.3–60.0) (n = 14)	50.0 (43.0–53.0) (n = 19)	0.58
Inhibition/switching completion time	51.5 (35.3–57.0) (n = 14)	50.0 (43.0–53.0) (n = 14)	0.88

Mean and standard errors with t-test p values and median and interquartile range with Wilcoxon rank sum test p values are presented for parametric and non-parametric values, respectively

Abbreviations: WASI the Wechsler Abbreviated Scale of Intelligence, CVLT-II California Verbal Learning Test—Second Edition, D-KEFS CWIT Delis-Kaplan Executive Function System Color-Word Interference Test