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Table 1 Characteristics of patients

From: Postoperative radiotherapy for completely resected Masaoka stage III thymoma: a retrospective study of 65 cases from a single institution

Characteristic S + R S alone χ2 P
  n = 53(%) n = 12(%)   
Sex    0.3 0.6
Male 26(49.1%) 7 (58.3%)   
Female 27(50.9%) 5 (41.7%)   
Age    0.0 0.9
>48 22(41.5%) 5 (41.7%)   
≤ 48 31(58.5%) 7 (58.3%)   
pathologic type    0.4 0.5
B3 13(24.5%) 4 (33.3%)   
Other subtypes 40(75.5%) 8 (66.7%)   
Tumor size    0.4 0.8
≤ 7cm 25(49.1%) 5 (41.7%)   
>7cm 28(50.9%) 7 (58.3%)   
Myasthenia Gravis    0.007 0.9
Presence 17(32.1%) 4 (33.3%)   
Absence 36(67.9%) 8 (66.7%)   
Multistructure invasion    0.003 0.9
Presence 26(49.1%) 6 (50.0%)   
Absence 27(50.9%) 6 (50.0%)   
Pleural effusion    1.5 0.2
Presence 6(11.3%) 0 (0.0%)   
Absence 47(88.7%) 12 (100.0%)   
  1. S + R indicates surgery and radiotherapy; S, surgery.