Table 1 Clinical and surgical characteristics of patients
From: Recurrence after thymoma resection according to the extent of the resection
Variables | Extended thymectomy | Limited thymectomy | P value |
|---|---|---|---|
(n = 239) | (n = 103) | ||
Age, mean ± SD | 45.4 ± 12.10 | 49.7 ± 13.69 | 0.005 |
Sex | 0.196 | ||
Male | 123 (51.5) | 61 (59.2) | |
Female | 116 (48.5) | 42 (40.8) | |
MG | < 0.0001 | ||
No | 53 (22.2) | 92 (89.3) | |
Yes | 186 (77.8) | 11 (10.7)a | |
WHO histologic type | < 0.0001 | ||
A | 8 (3.3) | 15 (14.6) | |
AB | 36 (15.1) | 42 (40.8) | |
B1 | 44 (18.4) | 14 (13.6) | |
B2 | 59 (24.7) | 19 (18.4) | |
B3 | 92 (38.5) | 13 (12.6) | |
Operative approach | < 0.0001 | ||
Median sternotomy | 167 (69.9) | 11 (10.7) | |
Thoracotomy | 13 (5.4) | 32 (31.1) | |
VATS | 55 (23.0) | 55 (53.4) | |
Clamshell | 4 (1.7) | - | |
Cervicotomy | - | 2 (1.9) | |
Robotic | - | 3 (2.9) | |
Tumor size, mean ± SD | 5.7 ± 3.13 | 6.9 ± 2.95 | 0.001 |
Masaoka –Koga stage | 0.005 | ||
I | 110 (46.0) | 66 (64.1) | |
IIa | 50 (20.9) | 21 (20.4) | |
IIb | 33 (13.8) | 12 (11.7) | |
III | 34 (14.2) | 4 (3.9) | |
IVa | 10 (4.2) | - | |
IVb | 2 (0.8) | - | |
Adjuvant therapy | < 0.0001 | ||
None | 113 (47.3) | 79 (76.7) | |
Radiotherapy | 96 (40.2) | 22 (21.4) | |
Chemotherary | 6 (2.5) | 0 (0.0) | |
Chemoradiation | 24 (10.0) | 2 (1.9) | |
Follow-up time, mean ± SD | 79.6 ± 59.49 | 81.2 ± 65.23 | 0.830 |