Table 2.
Postoperative outcomes according to the type of surgery after propensity score matching.
| No. (%) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1st PSM for primary analysis (n = 51, 1 patient was lost to follow-up) | 2nd PSM for sensitivity analysis (n = 61, 3 patients were lost to follow-up) | |||||||
| Variable | MRgLITT (n = 26) | OS (n = 25) | P value | Strength of association | MRgLITT (n = 32) | OS (n = 29) | P value | Strength of association |
| Memory function | ||||||||
| Worse | 8 (30.8) | 11 (44.0) | 0.95 | Kendall’s tau-c = −0.04, P = 0.77 | 9 (28.1) | 10 (34.5) | 0.63 | Kendall’s tau-c = −0.04, P = 0.75 |
| No change | 17 (65.4) | 10 (40.0) | 21 (65.6) | 13 (44.8) | ||||
| Better | 1 (3.8) | 4 (16.0) | 2 (6.3) | 6 (20.7) | ||||
| Seizure freedom (yes) | 20 (76.9) | 19 (76.0) | 0.94 | Phi = 0.01, P = 0.94 | 23 (71.9) | 23 (79.3) | 0.50 | Phi = −0.09, P = 0.50 |
| Seizure frequency reduction, median (IQR) | 100.0 (0.0) | 100.0 (0.6) | 0.86 | / | 100.0 (2.6) | 100.0 (0.0) | 0.44 | / |
| ILAE outcome scale | ||||||||
| 1 | 20 (76.9) | 19 (76.0) | 0.96 | Kendall’s tau-c = 0.00, P = 1.00 | 23 (71.9) | 23 (79.3) | 0.63 | Kendall’s tau-c = −0.07, P = 0.52 |
| 2 | 1 (3.8) | 0 | 3 (9.4) | 0 | ||||
| 3 | 1 (3.8) | 3 (12.0) | 1 (3.1) | 3 (10.3) | ||||
| 4 | 3 (11.5) | 3 (12.0) | 4 (12.5) | 3 (10.3) | ||||
| 5 | 1 (3.8) | 0 | 1 (3.1) | 0 | ||||
| 6 | 0 | 0 | 0 | 0 | ||||
ILAE, International League Against Epilepsy; IQR, interquartile range; MRgLITT, magnetic resonance-guided laser interstitial thermal therapy; OS, open surgery; PSM, propensity score matching.