TABLE 3.
Descriptive and inferential statistics for intelligence and academic achievement test scores for the TBI and comparison groups*
| Measure | TBI Group (23 children) |
Comparison Group (21 children) |
t Statistic (df) | p Value |
|---|---|---|---|---|
| SB4 | ||||
| composite score | 83.0 ± 14.0 | 95.7 ± 10.5 | 3.39 (42) | 0.0008 |
| component subtests | ||||
| Vocabulary | 44.5 ± 7.5 | 48.9 ± 7.1 | 1.96 (42) | 0.0284 |
| Pattern Analysis | 44.2 ± 7.2 | 49.5 ± 5.6 | 2.82 (42) | 0.0037 |
| Memory for Sentences | 44.2 ± 7.3 | 50.0 ± 8.0 | 2.60 (42) | 0.0065 |
| Bead Memory | 44.1 ± 9.1 | 46.1 ± 8.7 | 0.77 (42) | 0.2235 |
| WJ–III reading subtests | ||||
| Letter–Word Identification | 92.8 ± 12.4 | 108.9 ± 13.1 | 4.21 (42) | 0.0001 |
| Word Attack | 93.9 ± 10.4 | 108.4 ± 11.7 | 4.12 (39) | 0.0001 |
| Reading Fluency | 91.0 ± 13.3 | 99.9 ± 17.6 | 1.28 (28) | 0.1051 |
| Passage Comprehension | 93.0 ± 12.9 | 100.5 ± 13.2 | 1.82 (41) | 0.0340 |
| GORT–4 | ||||
| Fluency | 6.5 ± 3.6 | 10.1 ± 4.3 | 2.39 (32) | 0.0119 |
| Accuracy | 7.5 ± 3.2 | 10.3 ± 3.6 | 2.13 (32) | 0.0208 |
| Comprehension | 8.1 ± 3.9 | 10.9 ± 2.6 | 2.19 (32) | 0.0185 |
| WJ–III mathematics subtests | ||||
| Calculation | 94.1 ± 13.2 | 104.2 ± 12.2 | 2.56 (34) | 0.0076 |
| Applied Problems | 94.2 ± 12.2 | 107.2 ± 11.5 | 3.49 (42) | 0.0005 |
| Math Fluency | 85.5 ± 13.5 | 102.3 ± 18.8 | 2.56 (30) | 0.0080 |
| WJ–III oral and written language subtests | ||||
| Oral Comprehension | 94.2 ± 14.6 | 107.1 ± 11.6 | 2.96 (38) | 0.0027 |
| Spelling | 91.6 ± 13.7 | 109.1 ± 14.1 | 3.83 (37) | 0.0003 |
| Writing Fluency | 85.6 ± 17.4 | 104.7 ± 17.4 | 2.90 (29) | 0.0036 |
*
Scores are presented as means ± SD.