Maximum Possible Score TBI Control Median Range Median Range Orientation 38.0 35.25 2.0-38.0 38.0 20.0-38.0 Digit Span 82.5 43.25 0-110.0 62.5 24.0-110.0 Following Commands 15.0 15.0 13.5-15.0 15.0 none Naming 12.5 12.5 6.5-12.5 12.5 10.5-12.5 Story Retelling-Immediate* 138.5† 34.0 0-106.5 82.75 8.0-116.0 Story Retelling-Delayed* 138.5 29.5 0-58.0 45.25 0-82.0 Picture Recall* 45.5 24.5 3.5-45.5 38.5 21.0-45.5 What Goes Together* 100.5 52.5 0-95.5 77.5 5.0-95.0 Word Fluency* unlimited 17.5 6.0-46.0 28.5 6-51 Yes/No/Maybe† 39.0 20.0 9.0-38.5 22.25 6.5-39.0

Table 2: PTBI subtest scores for age-matched children with and without TBI who pass orientation x 3 items. *indicates a statistically significant difference (Mann-Whitney U test at p<.05, 1 tailed, corrected for multiple comparisons). †for grades 8-11, maximum score for grades 4-7 is 142.5; maximum score for grades 1-6 is 51.5.