Table 3.

Executive function by age at diagnosis

	Diagnosis ≤10 y (n = 11)		Diagnosis >10 y (n = 9)		P-valuea
	Mean	SD	Mean	SD
FSIQ	−1.70	0.92	0.04	0.84	0.002
Fluency	−1.30	1.13	0.37	1.13	0.009
Working memory	−1.52	1.02	−0.34	0.47	0.001
Shifting attention	−4.58	1.68	−1.4	1.7	0.002
Planning/organization	−2.65	1.23	−0.88	0.99	0.005
Flexibility	−1.42	0.73	−0.29	0.58	0.004

^a Mann–Whitney U-test for independent samples.