Preservation vs. dissection of inferior pulmonary ligament for thoracoscopic upper lobectomy: a prospective randomized controlled trial

Table 1 Baseline characteristics between two groups (pre-op)

Variables	Group P (n = 100)	Group D (n = 108)	P
Operation side			0.654
Left	41	41
Right	59	67
Sex			0.455
Male	44	42
Female	56	66
Age, years (x ± s)	59.08 ± 9.82	58.45 ± 10.74	0.662
Preoperative comorbidities
Hypertension	24	27	1.000
Diabetes	6	10	0.378
Coronary heart disease	6	4	0.653

ISSN: 1477-7819