Table 2.
Pre- and post-treatment cognitive profile of patients treated only with surgery for low-grade brain tumors.
| Cognitive Functioning | Pre-Post Group | Only Presurgical Group | Only Postsurgical Group |
|---|---|---|---|
| Presurgery | |||
| - Full IQ | 91.7 ± 18.7 (53–115) | 104.7 ± 22.1 (59–132) | n.a. |
| - Verbal IQ | 91.2 ± 21.1 (41–119) | 104.3 ± 13.2 (84–124) | n.a. |
| - Performance IQ | 94.2 ± 16.6 (72–132) | 105.3 ± 22.1 (58–128) | n.a. |
| - WM/FD | 87.4 ± 19.9 (55–110) | 94.0 ± 26.7 (58–133) | n.a |
| - PS | 82.6 ± 25.5 (50–123) | 96.1 ± 20.9 (65–129) | n.a. |
| Postsurgery | |||
| - Full IQ | 89.8 ± 21.3 (40–124) | n.a. | 87.0 ± 21.8 (40–109) |
| - Verbal IQ | 93.7 ± 16.7 (64–120) | n.a. | 89.6 ± 17.3 (52–113) |
| - Nonverbal IQ | 96.6 ± 23.5 (45–132) | n.a. | 88.3 ± 24.3 (41–112) |
| - WM/FD | 86.5 ± 19.8 (46–118) | n.a. | 83.8 ± 22.7 (46–106) |
| - PS | 82.4 ± 16 (47–106) | n.a. | 85.7 ± 31.3 (47–123) |
Legend: IQ: intelligence quotient; WM: working memory; FD: freedom from distractibility; PS: processing speed; n.a.: not available.