Table 5.
Linear regression
| Structural measures: | |||||
|---|---|---|---|---|---|
| Cognitive tests: | FA right 1 × 10e−1 (n=32) |
MD right1 × 10e−4 (n= 32) |
FA left 1 × 10e−1 (n=40) |
MD left 1 × 10e−4 (n=40) |
|
| Finger tapping | Base modela | F(3, 28) = 2.824, p = .057, R2 = 0.232 | F(3, 36) = 0.984, p = .411, R2 = 0.076 | ||
|
B (95 %CI)b Fchange (df)b R2 b |
0.123 (-0.52 to 0.75) 0.114 (1, 27) 0.236 |
-0.092 (-0.395 to 0.296) 0.248 (1, 27) 0.239 |
0.17 (-0.65 to 1.19) 0.180 (1, 35) 0.081 |
-0.101 (-0.668 to 0.321) 0.246 (1, 35) 0.082 |
|
| Symbol digit coding | Base modela | F(3, 28) = 1.560, p = .221, R2 = 0.143 | F(3, 36) = 0.272, p = .845, R2 = 0.022 | ||
|
B (95 %CI)b Fchange (df)b R2 b |
0.497 (-0.013 to 1.007) 3.998 (1, 27) 0.256 |
-0.233 (-0.445 to 0.015) 3.548 (1, 27) 0.243 |
-0.010 (-0.48 to 0.50) 0.002 (1, 35) 0.022 |
-0.044 (-0.308 to 0.158) 0.123 (1, 35) 0.026 |
|
| Shifting attention | Base modela | F(3, 28) = 0.767, p = .522, R2 = 0.076 | F(3, 36) = 1.317, p = .284, R2 = 0.099 | ||
|
B (95 %CI)b Fchange (df)b R2 b |
0.480 (-0.040 to 0.100) 3.586 (1, 27) 0.184 |
-0.302* (-0.557 to -0.047) 5.895 (1, 27) 0.242 |
0.147 (-0.556 to 0.85) 0.181 (1, 35) 0.104 |
0.036 (-0.322 to 0.393) 0.041 (1, 35) 0.100 |
|
| Continuous performance | Base modela | F(3, 28) = 1.343, p = .280, R2 = 0.126 | F(3, 36) = 0.389, p = .762, R2 = 0.031 | ||
|
B (95 %CI)b Fchange (df)b R2 b |
0.306 (-0.552 to 1.1641) 0.536 (1, 27) 0.143 |
-0.335 (-0.756 to 0.086) 2.672 (1, 27) 0.205 |
-0.230 (-0.716 to 0.256) 0.925 (1, 27) 0.056 |
0.155 (-0.089 to 0.399) 1.661 (1, 35) 0.075 |
|
| Stroop interference | Base modela | F(3, 28) = 2.189, p = .112, R2 = 0.190 | F(3, 36) = 0.199, p = .896, R2 = 0.016 | ||
|
B (95 %CI)b Fchange (df)b R2 b |
0.243 (-0.201 to 0.688) 1.264 (1, 27) 0.226 |
-0.067 (-0.297 to 0.163) 0.361 (1, 27) 0.201 |
0.207 (-0.362 to 0.776) 0.545 (1, 35) 0.031 |
-0.178 (-0.462 to 0.107) 1.603 (1, 35) 0.059 |
|
| Letter fluency1 | Base modela | F(3, 17) = 2.470, p = .097, R2 = 0.304 | F(3, 26) = 2.215, p = .110, R2 = 0.204 | ||
|
B (95 %CI)b Fchange (df)b R2 b |
0.438 (-0.467 to 1.344) 1.053 (1, 16) 0.347 |
-0.345 (-0.781 to 0.091) 2.813 (1, 16) 0.408 |
-0.104 (-0.976 to 0.768) 0.061 (1, 25) 0.205 |
0.221 (-0.212 to 0.655) 1.104 (1, 25) 0.237 |
|
a Base model including tumor grade, tumor volume and handedness, without structural integrity as prognostic factor; b Multivariable model, added value for each independent variable (structural integrity)
** meaning p < .01, * meaning p < .05
1 Data missing right for n=11 and left for n=10