Is chest tube drainage necessary after subxiphoid thoracoscopic thymectomy?

Table 1 Characteristics of 205 cases

Factors	Total (n = 205)	Group A^a (n = 115)	Group B^a (n = 90)	p
Age
Median and range (years)	41 (9–77)	41 (10–77)	40 (9–72)	0.545
< 50	158	92	66
≥ 50	57	23	34
Gender
Women	112	61	51	0.607
Men	93	54	39
MGFA Clinical Classification
Class 1	13	7	6	0.722
Class2a	37	25	12
Class2b	100	53	47
Class3	28	13	15
Class4	27	17	10
Histopathology
Thymoma	33	22	11	0.591
Thymic hyperplasia	110	58	52
Thymic cyst	5	2	3
Thymic involution or atrophy	57	33	24

^aGroup A consists of patients with chest tube drainage; group B consists of patients without chest tube drainage

ISSN: 1749-8090