Table 3.
Estimates of mean bilateral redundancy gain (bRG) by patient group
| Sample | bRG | Test statistics | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reference | Group | Nobs | Ncases | ke | ks | meana | s.e | CI95% | t–value | df | p | dmb |
| Average | Pure callosotomy | 16 | 4 | 13 | 5 | 66.6 | 6.6 | 53.7; 79.6 | 10.1 | 12.33 | < 0.001 | 2.77 |
| Commissurotomy | 8 | 3 | 5 | 3 | 101 | 14.5 | 72.6; 129.4 | – c | – | – | – | |
| All complete section | 24 | 7 | 15 | 6 | 82 | 10.6 | 61.2; 102.9 | 7.72 | 9.36 | < 0.001 | 2.45 | |
| Anterior–medial section | 2 | 2 | 1 | 1 | 22.7 | 8.4 | 6.2; 39.0 | – | – | – | – | |
| Medial–posterior | 1 | 1 | 1 | 1 | 119.3 | – | – | – | – | – | – | |
| All partial section | 3 | 3 | 1 | 1 | 54.9 | 32.6 | –9.0; 118.7 | – | – | – | – | |
| Minimum | Pure callosotomy | 25 | 7 | 12 | 6 | 36.6 | 7.9 | 21.1; 52.1 | 4.625 | 7.4 | 0.002 | 1.35 |
| Commissurotomy | 10 | 3 | 6 | 3 | 51.9 | 10.4 | 31.5; 72.2 | – | – | – | – | |
| All complete section | 35 | 10 | 14 | 7 | 42.8 | 8.0 | 27.1; 58.4 | 5.35 | 15.5 | < 0.001 | 1.41 | |
| Anterior–medial section | 14 | 6 | 4 | 2 | 30.3 | 6.2 | 18.1; 42.4 | – | – | – | – | |
| Medial–posterior | 1 | 1 | 1 | 1 | 45.5 | – | – | – | – | – | – | |
| All partial section | 15 | 7 | 4 | 2 | 30.8 | 7.1 | 16.8; 44.7 | 4.32 | 7.6 | 0.003 | 1.45 | |
| Ipsilateral | Pure callosotomy | 12 | 5 | 9 | 5 | 26.2 | 4.6 | 17.2; 35.1 | – | – | – | – |
| Commissurotomy | 8 | 2 | 5 | 3 | 55.0 | 15.5 | 24.6; 85.3 | – | – | – | – | |
| All complete section | 20 | 7 | 11 | 6 | 38.9 | 9.4 | 20.4; 57.3 | 4.12 | 11.0 | 0.002 | 1.23 | |
| Anterior–medial section | 5 | 5 | 2 | 2 | 11.6 | 4.9 | 1.9; 21.2 | – | – | – | – | |
| Medial–posterior | 1 | 1 | 1 | 1 | 45.5 | – | – | – | – | – | – | |
| All partial section | 6 | 6 | 2 | 2 | 17.2 | 6.9 | 3.6; 30.8 | – | – | – | – | |
Nobs number of observations, Ncases number of cases, ke number of experiments/conditions, ks number of studies
afixed intercept in linear–mixed model (LMM)
bCohen’ d against “zero” estimated from the model variance
cnot available as number of observations did not allow LMM estimates