Table 2.
Pre and postsurgical neuropsychological test results.
| Presurgical mean (SD) | Postsurgical mean (SD) | Difference (95% CI) |
p | |
|---|---|---|---|---|
| WISC-IV | ||||
| FSIQ | 84.8 (8.7) | 93.0 (11.9) | 8.2 (3.2–13.2) | 0.005 |
| VCI | 86.7 (13.1) | 94.7 (13.1) | 8.0 (4.2–11.8) | 0.001 |
| PRI | 99.1 (11.4) | 103.8 (9.6) | 4.7 (−2.6–12.0) | 0.180 |
| WMI | 82.5 (9.7) | 84.5 (15.7) | 2.0 (−5.5–9.5) | 0.566 |
| PSI | 81.5 (10.4) | 92.5 (12.6) | 11.0 (4.4–17.6) | 0.004 |
| NEPSY-II | ||||
| MF, IR | 9.5 (3.6) | 10.8 (3.7) | 1.3 (0.1–2.5) | 0.033 |
| MF, DR | 9.5 (3.3) | 11.8 (3.2) | 2.3 (0.6–4.1) | 0.018 |
| MS | 9.5 (5.2) | 10.4 (3.5) | 0.9 (-4.1–5.9) | 0.696 |
| MW | 10.7 (2.8) | 12.7 (2.9) | 2 (0.3–3.7) | 0.027 |
| Presurgical | Postsurgical | p | ||
| FAS | ||||
| Raw scores, median (range) Age-standardized, mean (SD) |
17 (1–28) −0.7 (0.8) |
17 (5–35) −0.3 (2.1) |
0.168 0.524 |
|
| BNT | ||||
| Raw scores, median (range) Age-standardized, mean (SD) |
35 (22–44) −2.1 (2.6) |
33 (31–45) −1.7 (1.4) |
0.023 0.473 |
|
| RCFT | ||||
| 3 min | 33 (< 20–52) | 32 (< 20–58) | 0.646 | |
| 30 min | 34 (< 20–51) | 30 (< 20–55) | 0.414 |
Abbreviations: SD: Standard Deviation. 95% CI: 95% Confidence Interval. WISC-IV: Wechsler Intelligence Scale for Children version IV. FSIQ: Full Scale Intelligence Quotient. VCI: Verbal Comprehension Index. PRI: Perceptual Reasoning Index. WMI: Working Memory Index. PSI: Processing Speed Index. NEPSY-II: A Developmental Neuropsychological Assessment II. MF, IR: Memory for Faces with Immediate Retention. MF, DR: Memory for Faces with Delayed Retention. MS: Memory for Story. MW: Memory for a list of Words. FAS: F-A-S test from the Neurosensory Center Comprehensive Examination for Aphasia. Age-standardization centered on 0, with 1 point = 1 SD (z-score). BNT: Boston Naming Test. Age-standardization centered on 0, with 1 point = 1 SD (z-score). RCFT: Rey Complex Figure Test; retention at 3 min and 30 min delay.