Table 3.
Description of the study sample
| Insular patients (n = 13) |
Temporal patients (n = 13) |
Healthy controls (n = 20) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Variable | Mean ± s.d. | Range | % | Mean ± s.d. | Range | % | Mean ± s.d. | Range | % | P-value |
| Age (yr) | 38.5 ± 7.7 | 23–49 | 38.0 ± 10.6 | 22–54 | 36.1 ± 10.2 | 24–52 | 0.749 | |||
| Gender (% women) | 69.2 | 53.8 | 50.0 | 0.538 | ||||||
| Education (yr) | 13.5 ± 2.0 | 11–18 | 13.4 ± 3.0 | 8–20 | 13.5 ± 1.8 | 11–18 | 0.983 | |||
| Estimated-IQ | 102.7 ± 10.9 | 88–120 | 96.96 ± 11.1 | 83–113 | 104.5 ± 7.9 | 88–120 | 0.102 | |||
| Age at first seizure | 17.4 ± 11.6 | 4–33 | 18.4 ± 14.1 | 1–43 | 0.845 | |||||
| Age at surgery (yr) | 36.7 ± 6.8 | 23–48 | 33.8 ± 12.2 | 18–52 | 0.453 | |||||
| Time since surgery (yr) | 2.3 ± 2.7 | 0.4–8.8 | 4.5 ± 3.3 | 0.3–10.8 | 0.073 | |||||
| Hemisphere (% right) | 53.8 | 53.8 | 1.000 | |||||||
Note. Statistical comparisons between groups were conducted using non-parametric Chi-square (gender and hemisphere) tests and analyses of variance.