Table 1.
Patient characteristics
| Typical language (n = 32) | Atypical language (n = 19) | Statistics |
||
|---|---|---|---|---|
| Demographics and clinical variables | Test | P-value | ||
| Age (years) | 12.9 (2.9) | 13.6 (2.3) | t(49) = 0.90 | 0.372, n.s. |
| Age at onset (years) | 6.0 (4.3) | 5.6 (3.7) | t(44) = 0.35 | 0.725, n.s. |
| Gender (M/F) | 15/17 | 9/10 | χ2(1) = 0.001 | 0.973, n.s. |
| Atypical handedness | 2 (11%) | 12 (63%) | Fisher’s exact | <0.0001 |
| Seizure frequency (number/week) | 13 (19) | 22 (29) | t(49) = 1.36 | 0.178, n.s. |
| Pathology | χ2(3) = 6.50 | 0.090, n.s. | ||
| MTS | 4 (13%) | 1 (5%) | ||
| Lesion | 22 (69%) | 9 (47%) | ||
| Stroke | 2 (6%) | 6 (32%) | ||
| Inflammatory | 4 (13%) | 3 (16%) | ||
| Verbal IQ | 85 (17) | 78 (15) | t(47) = 1.46 | 0.150, n.s. |
| Performance IQ | 88 (14) | 85 (19) | t(47) = 0.67 | 0.545, n.s. |
| Volumetric data | ||||
| Lesion volumea (in cm3) | 11.0 (11.8) | 29.5 (44.6) | F(1,48) = 5.06 | 0.029 |
| Planum temporale - LI | 0.25 (0.19) | −0.11(0.22) | t(44) = 5.83 | P < 0.0001 |
a Covaried for intracranial volume.
MTS = medial temporal sclerosis; n.s. = not significant. Values in brackets are SD = standard deviations, unless shown as %.