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Table 1 Characteristics of 205 cases

From: Is chest tube drainage necessary after subxiphoid thoracoscopic thymectomy?

FactorsTotal
(n = 205)
Group Aa
(n = 115)
Group Ba
(n = 90)
p
Age
Median and range (years)41 (9–77)41 (10–77)40 (9–72)0.545
 < 501589266 
 ≥ 50572334 
Gender
 Women11261510.607
 Men935439 
MGFA Clinical Classification
 Class 113760.722
 Class2a372512 
 Class2b1005347 
 Class3281315 
 Class4271710 
Histopathology
 Thymoma3322110.591
 Thymic hyperplasia1105852 
 Thymic cyst523 
 Thymic involution or atrophy573324 
  1. aGroup A consists of patients with chest tube drainage; group B consists of patients without chest tube drainage