Predictors of failure of intersegmental line creation using bronchoscopic jet ventilation for thoracoscopic pulmonary segmentectomy

JA Clinical Reports

Table 1 Patient characteristics

Variables	Total cases	Succeeded cases	Failed cases
Variables	n = 48	n = 35	n = 13	P^b
Male	25 (52%)	19 (54%)	6 (46%)	0.748
Age (years)	68 ± 7.6	69 ± 7.8	65 ± 6.1	0.0741
BMI	23 ± 3.1	23 ± 2.6	23 ± 4.0	0.5569
Obstructive ventilatory impairment
FEV1% < 70	9 (19%)	5 (14%)	4 (31%)	0.228
Emphysematous change in CT	14 (29%)	10 (29%)	4 (31%)	1
Smoking^a
Ever/current smoker	29 (61%)	21 (62%)	8 (62%)	0.787
Brinkman index	552 ± 658	395 ± 415	962 ± 965	0.0067
Brinkman index > 1000	8 (17%)	2 (6%)	6 (46%)	0.003
Operative time (min)	327 ± 99	327 ± 110	326 ± 66	0.964
Intraoperative bleeding (mL)	50 ± 70	44 ± 63	66 ± 86	0.3292
Time until drainage tube removal (day)	3.5 ± 2.4	3.5 ± 2.5	3.4 ± 1.9	0.8688
Postoperative complications (%)	11 (23%)	9 (26%)	2 (15%)	0.702
Persistent air leak (%)	6 (13%)	5 (14%)	1 (8%)	1
Targeted bronchus
B1+2	14 (29%)	10 (29%)	4 (31%)	1
B10	5 (10%)	1 (3%)	4 (31%)	0.015

BMI body mass index, FEV1% forced expiratory volume in 1 s/forced vital capacity, Brinkman index the number of cigarettes smoked per day multiplied by the number of years of smoking
Continuous variables were presented as mean ± standard deviation
^aInformation about smoking was missing in one patient
^bStudent’s t test for mean difference, and Fisher’s exact test for percentage difference