Different dissecting orders of the pulmonary bronchus and vessels during right upper lobectomy are associated with surgical feasibility and postoperative recovery for lung cancer patients

Table 4 Comparison of recurrence models in patients with disease recurrence between the aBVA and VAB cohorts

Variable	Total [cases (%)] (n = 301)	aBVA cohort [cases (%)] (n = 109)	VAB cohort [cases (%)] (n = 192)	P value
Total	64 (21.3)	22 (20.2)	42 (21.9)	0.709
Intrathoracic local recurrence^a	22 (7.3)	7 (6.4)	15 (7.8)	0.790
Distant recurrence	27 (9.0)	11 (10.1)	16 (8.3)	0.429
Intrathoracic local recurrence and distant recurrence	5 (1.7)	2 (1.8)	3 (1.6)	1.000*
Unknown	10 (3.3)	2 (0.7)	8 (4.2)	0.472*

aBVA RUL with the dissecting order of the posterior ascending arterial branch [a], followed by the right upper bronchus [B] and pulmonary vessels [VA]; VAB RUL with the dissecting order of the right upper pulmonary veins and arteries [VA], followed by the right upper bronchus [B]
* Fisher’s exact test
^aOne patient was diagnosed with the progression of multiple primary lesions in each group, which should also be classified as having intrathoracic local recurrence

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