Table 2 Clinical and surgical characteristics of patients after 1:1 exact matching by size and stage of tumor
From: Recurrence after thymoma resection according to the extent of the resection
Variables | Extended thymectomy | Limited thymectomy | P value |
|---|---|---|---|
(n = 86) | (n = 86) | ||
Age, mean ± SD | 45.3 ± 12.14 | 49.7 ± 13.60 | 0.027 |
Sex | 0.284 | ||
Male | 43 (50.0) | 51 (59.3) | |
Female | 43 (50.0 | 35 (40.7) | |
MG | < 0.0001 | ||
No | 22 (25.6) | 76 (88.4) | |
Yes | 64 (74.4) | 10 (11.6)a | |
WHO histologic type | 0.001 | ||
A | 6 (7.0) | 12 (14.0) | |
AB | 15 (17.4) | 34 (39.5) | |
B1 | 20 (23.3) | 12 (14.0) | |
B2 | 17 (19.8) | 17 (19.8) | |
B3 | 28 (32.6) | 11 (12.8) | |
Operative approach | < 0.0001 | ||
Median sternotomy | 61 (70.9) | 8 (9.3) | |
Thoracotomy | 8 (9.3) | 27 (31.4) | |
VATS | 16 (18.6) | 47 (54.7) | |
Clamshell | 1 (1.2) | - | |
Cervicotomy | - | 2 (2.3) | |
Robotic | - | 2 (2.3) | |
Tumor size, mean ± SD | 6.4 ± 2.67 | 6.4 ± 2.67 | 0.943 |
Masaoka –Koga stage | >0.999 | ||
I | 51 (59.3) | 51 (59.3) | |
IIa + IIb | 31 (36.1) | 31 (36.1) | |
III | 4 (4.6) | 4 (4.6) | |
IVa + IVb | - | - | |
Adjuvant therapy | 0.069 | ||
None | 50 (58.1) | 64 (74.4) | |
Radiotherapy | 30 (34.9) | 21 (24.4) | |
Chemotherary | 2 (2.3) | 0 (0.0) | |
Chemoradiation | 4 (4.7) | 1 (1.2) | |
Follow-up time, mean ± SD | 94.5 ± 65.35 | 85.6 ± 67.92 | 0.386 |
Pattern of recurrence | |||
Local | 0 | 1 | |
Local + regional | 0 | 2 | |
Regional | 3 | 7 | |
Distant | 2 | 0 |