Table 1.

Descriptive statistics of continuous Hollingshead scores, CANTAB, and WJTA outcomes at 6 months, 107 months and 17 years

	Means ± SEMs
Hollingshead scores
6 months	24.7 ± 0.6 (17, 19, 33)
107 months	24.3 ± 0.6 (14, 20, 35)
17 years	31.6 ± 0.7 (19, 29, 42)
CANTAB learning/reverse learning outcomes
log (IED total trials)	4.7 ± 0.02 (4.4, 4.7, 5.0)
log (IED pre-ED errors)	2.2 ± 0.02 (1.8, 2.1, 2.4)
log (PAL total errors + 1)	2.1 ± 0.04 (1.6, 2.1, 2.6)
PAL stages completed	6.0 ± 0.04 (5, 6, 7)
CANTAB attention outcomes
log (RTI simple reaction time)	5.7 ± 0.01 (5.6, 5.7, 5.8)
RVP total misses	14.0 ± 0.2 (10, 14, 18)
log (RVP total false alarms + 1)	1.0 ± 0.04 (0.7, 1.1, 1.4)
CANTAB memory outcomes
DMS, % correct (12,000-ms delay)	7.7 (7, 8, 9)
PRM, % correct	85.9 (79.2, 87.5, 95.8)
SRM, % correct	80.6 (75, 80, 85)
Sqrt (SWM within errors)	1.0 ± 0.05 (0, 1.0, 1.7)
Sqrt (SWM total errors)	5.0 ± 0.08 (3.9, 5.1, 6.2)
WJTA outcomes
Passage comprehension	76.4 ± 1.0 (65, 78, 88)
Calculation	85.3 ± 0.8 (73, 86, 95)
Letter-word identification	100.3 ± 1.3 (91, 104, 119)
Applied problems	86.2 ± 0.7 (79, 86, 95)
Math fluency	73.1 ± 0.6 (65, 73, 81)

Figures in parentheses are 25th percentile, median and 75th percentile.