Table 3.

Comparison of Cognition Scores among FSE and SFS and in those 12 months or younger

	FSE			SFS
All ages at study entry
Baseline	N	Mean	Std	N	Mean	Std	p-value
Bayley MDI	151	91.97	15.79	91	88.18	13.72	0.058
Bayley PDI	158	91.18	17.91	91	93.18	14.17	0.332
PPVT-3	24	77.5	22.16	9	83.56	24.46	0.501

One year	N	Mean	Std	N	Mean	Std	p-value
Bayley MDI	95	87.4	19.38	62	83.69	11.75	0.138
Bayley PDI	95	89.33	18.5	62	94.52	12.14	0.035
PPVT-3	56	85.54	21.45	29	93.76	13.69	0.034

≤12 months of age at study entry
Baseline	N	Mean	Std	N	Mean	Std	p-value
Bayley MDI	44	93.32	13.11	11	92.55	13.94	0.863
Bayley PDI	45	91.91	15.32	11	98.73	13.52	0.182

One Year1	N	Mean	Std	N	Mean	Std	p-value
Bayley MDI	32	86.75	20.93	10	78.00	13.33	0.222
Bayley PDI	33	89.97	20.12	10	93.30	9.02	0.465

≤12 months at study entry, excluding abnormal development
Baseline	N	Mean	Std	N	Mean	Std	p-value
Bayley MDI	43	93.49	13.22	11	92.55	13.94	0.835
Bayley PDI	44	91.89	15.5	11	98.73	13.52	0.185

One Year1	N	Mean	Std	N	Mean	Std	p-value
Bayley MDI	31	87.97	20.09	10	78.00	13.32	0.151
Bayley PDI	32	91.25	19.02	10	93.30	9.02	0.645

≤12 months at study entry, excluding abnormal development and abnormal MRI
Baseline	N	Mean	Std	N	Mean	Std	p-value
Bayley MDI	37	93.05	13.67	8	89.25	14.85	0.485
Bayley PDI	38	92.55	15.31	8	95.88	14.62	0.577

One Year1	N	Mean	Std	N	Mean	Std	p-value
Bayley MDI	30	88.43	20.26	8	76.38	14.3	0.124
Bayley PDI	31	90.71	19.09	8	90.38	6.97	0.937

MDI: Mental Development Index; PDI: Psychomotor Development Index; PPVT: Peabody Picture Vocabulary Test; MI: Memory Index

¹only 2 with PPVT-3 in FSE and none in simple febrile seizure