Table 4.

—Patient and Clinic Characteristics by Occurrence of Pneumothorax as a Complication

Characteristic	No 24-h Pneumothorax (n = 1,310)	Yes 24-h Pneumothorax (n = 7)	P Valuea
Age			1.00
≤ 70 y	919 (99.5)	5 (0.5)
> 70 y	391 (99.5)	2 (0.5)
Sex			.72
Female	628 (99.4)	4 (0.6)
Male	682 (99.6)	3 (0.4)
Ethnicity			.36
Nonwhite	248 (100)	0 (0)
White	1,062 (99.3)	7 (0.7)
Service			1.00
Outpatient	1,216 (99.4)	7 (0.6)
Inpatient	94 (100)	0 (0)
Any high paratracheal (2R or 2L) lymph node sampled			1.00
No	1,275 (99.5)	7 (0.5)
Yes	35 (100)	0 (0)
Any left-side low paratracheal (4L) lymph node sampled			.68
No	958 (99.4)	6 (0.6)
Yes	352 (99.7)	1 (0.3)
Transbronchial biopsy performed			< .001
No	1,128 (99.8)	2 (0.2)
Yes	182 (97.3)	5 (2.7)
Endobronchial biopsy performed			1.00
No	1,152 (99.4)	7 (0.6)
Yes	158 (100)	0 (0)
No. TBNA passes			.70
≤ 3	449 (99.3)	3 (0.7)
> 3	861 (99.5)	4 (0.5)
Median lymph node size			.15
> 10 mm	750 (99.7)	2 (0.3)
≤ 10 mm	560 (99.1)	5 (0.9)
Anesthesia			.11
Moderate sedation	479 (99)	5 (1)
Deep sedation or general anesthesia	831 (99.8)	2 (0.2)
Positive pressure ventilation			.25
No	582 (99.1)	5 (0.9)
Yes	728 (99.7)	2 (0.3)
Duration of bronchoscopy			.36
≤ 30 min	286 (100)	0 (0)
> 30 min	1,024 (99.3)	7 (0.7)

Data are presented as No. (%). See Table 1 for expansion of abbreviation.

^aFisher exact test.