Table 2. Relationship between different surgical approaches and clinical pathological factors in 54 patients with thymoma complicated with myasthenia gravis.
| Features | Surgical approach | P value | ||
|---|---|---|---|---|
| Latero-thoracotomy | Median sternotomy | Video-assisted thoracoscopic surgery | ||
| Sex | 0.621 | |||
| Male | 9 | 11 | 9 | |
| Female | 8 | 12 | 5 | |
| Myasthenia type | 0.07 | |||
| I | 4 | 8 | 1 | |
| IIa | 9 | 5 | 7 | |
| IIb | 4 | 6 | 6 | |
| III | 0 | 4 | 0 | |
| Masaoka stage | 0.791 | |||
| I | 11 | 14 | 10 | |
| II | 1 | 2 | 2 | |
| III | 4 | 7 | 2 | |
| IV | 1 | 0 | 0 | |
| Pathological type | 0.511 | |||
| A | 4 | 2 | 2 | |
| AB | 5 | 8 | 5 | |
| B1 | 4 | 3 | 4 | |
| B2 | 2 | 5 | 1 | |
| B3 | 2 | 1 | 2 | |
| C | 0 | 4 | 0 | |
| Changes of MG after surgery | 0.995 | |||
| S | 3 | 5 | 4 | |
| PR | 3 | 4 | 3 | |
| CR | 6 | 8 | 4 | |
| A | 5 | 6 | 3 | |
| Age | 52.00±11.486 | 50.78±9.643 | 45.5±9.788 | 0.184 |
| Diseased time | 7.69±11.469 | 6.04±10.805 | 1.47±1.647 | 0.192 |
| Drainage time | 4.12±0.697 | 5.43±1.273 | 2.93±0.730 | 0.000 |
| Hospital stay | 19.82±5.615 | 24.00±7.58 | 20.57±7.208 | 0.136 |
| Tumor size* | 8.79±4.228 | 7.17±3.059 | 5.68±1.846 | 0.035 |
*, the longest diameter of the tumor. MG, myasthenia gravis; S, stability; PR, partial remission; CR, complete remission; A, aggravation.