Table 5. Comparison of clinicoradiological characteristics according to treatment modalities for recurred meningiomas.
| Characteristics | Radiosurgery/RT | Open resection | p-value |
|---|---|---|---|
| Characteristics related with 2nd treatments | |||
| Age (years) | |||
| Mean±SD | 57.6±13.7 | 54.1±13.6 | 0.864 |
| ≥65 (%) | 35.5 | 25.0 | 0.505 |
| Sex | |||
| Male (%) | 45.2 | 38.9 | 0.787 |
| Location | |||
| Convexity (%) | 12.9 | 22.2 | 0.321 |
| Size (cm) | |||
| Mean±SD | 2.2±1.4 | 4.3±2.7 | <0.001 |
| ≥3 (%) | 25.8 | 58.3 | 0.015 |
| Low in T2 (%) | 22.6 | 11.1 | 0.206 |
| Moderate/high peritumoral edema (%) | 22.6 | 25 | 1.000 |
| Severe symptom (%) | 35.5 | 33.3 | 1.000 |
| Interval between 1st and 2nd treatments (months) | 74.0±56.6 | 42.6±37.0 | 0.170 |
| Re-progression rate (%) | 6.5 | 38.9 | 0.002 |
| Complication rate (%) | 0 | 27.8 | 0.001 |
| Expire rate (%) | 19.4 | 38.9 | 0.140 |
| Follow-up duration (mean±SD, months) | 68.4±45.5 | 61.7±46.5 | 0.747 |
| Characteristics related with initial treatment (%) | |||
| Multilobulation | 51.6 | 41.7 | 0.570 |
| Poor resection plane | 29.0 | 50.0 | 0.135 |
| Simpson’s grade ≥III | 38.7 | 19.4 | 0.141 |
| WHO grade II/III | 29.0 | 44.4 | 0.295 |
| Complication after 1st treatment | 29.0 | 30.6 | 1.000 |
RT, radiotherapy; SD, standard deviation