Table 1.
No decline of BNT (n = 98) | BNT decline (n = 43) | Uni-variate analysis p value | Logistic regression for BNT decline OR (95% CI) | Logistic regression p value | |
---|---|---|---|---|---|
Demographics | |||||
Female | 48 (49.0) | 18 (41.9) | 0.437 | ||
Years of schooling | 10 (8–12) | 9 (8–10) | 0.282 | ||
Age at surgery (in years) | 35 (25–43) | 46 (32–55) | 0.002 | 1.03 (0.993–1.073) | 0.108 |
Epilepsy | |||||
Age at onset (in years) | 17 (7–27) | 28 (19–38) | 0.004 | 1.04 (1.002–1.073) | 0.040 |
Years between epilepsy onset and surgery | 12 (4–26) | 13 (6–26) | 0.548 | ||
Resection type | |||||
Frontal | 12 (12.2) | 3 (7.0) | 0.352 | ||
Temporal lobe | 81 (82.7) | 40 (93.0) | 0.105 | ||
Temporal neocortical | 43 (43.9) | 13 (30.2) | 0.129 | ||
Temporal mesial | 38 (38.8) | 27 (62.8) | 0.009 | 1.83 (0.726–4.632) | 0.120 |
ATL | 12 (12.2) | 14 (32.6) | 0.004 | ||
pAH | 20 (20.4) | 9 (20.9) | 0.944 | ||
sAH | 6 (6.1) | 4 (9.3) | 0.500 | ||
Parietal | 8 (8.2) | 0 | 0.055 | ||
Occipital | 2 (2.0) | 0 | 0.347 | ||
Histopathology | |||||
Hippocampus sclerosis | 24 (24.5) | 16 (37.2) | 0.124 | ||
Cele | 4 (4.1) | 0 | 0.181 | ||
Tumor | 30 (30.6) | 9 (20.9) | 0.238 | ||
Cerebral angioma | 17 (17.3) | 5 (11.6) | 0.391 | ||
Malformations of cortical development | 12 (12.2) | 4 (9.3) | 0.613 | ||
Non-lesional | 9 (9.2) | 10 (23.3) | 0.03 | 3.45 (1.097–10.855) | 0.034 |
Other pathology | 2 (2.0) | 1 (2.3) | 0.914 | ||
BNT preoperative normal | 52 (53.1) | 27 (62.8) | 0.286 | ||
Normalized lesion volume (in ml) | 24.5 (7.3–36.7) | 33.7 (22.2–43.1) | 0.004 | 1.0 (1.0–1.0) | 0.073 |
6 months outcome engel class 1 | 78 (79.6) | 30 (69.8) | 0.206 |
Values are n (%) or median (interquartile range). Statistically significant values (p < 0.05) are expressed in bold. N number, BNT Boston naming test, OR odds ratio, CI confidence interval, ATL anterior temporal lobectomy, pAH resection of temporal pole and amygdalohippocampectomy, sAH selective amygdalohippocampectomy; BNT decline was defined as decline of reliable change index ≥ 5 correct answers.