Computed tomography fluoroscopy guided percutaneous lung biopsy for ground-glass opacity pulmonary lesions: A meta-analysis

Table 1 Characteristics of the included four studies

Ref.	Year	Lesion size (mm)	tp	fp	fn	tn	All	Complications
Hur et al[6]	2009	≤ 10	4	0	2	4	10	Pneumothorax (5);
		11-20	5	0	2	3	10	Hemoptysis (3); Thoracostomy tube insertion (2)
		> 20	3	0	1	4	8
		All	12	0	5	11	28
Yamauchi et al[7]	2011	≤ 10	6	0	1	1	8	Pneumothorax (14); Hemoptysis (13); Thoracostomy tube insertion (0)
		11-20	36	0	1	5	42
		> 20	17	0	0	0	17
		All	59	0	2	6	67
Inoue et al[8]	2012	≤ 10	21	0	1	2	24	Pneumothorax (30); Hemoptysis (7); Thoracostomy tube insertion (1); Air embolism (1)
		11-20	36	0	2	3	41
		> 20	1	0	0	0	1
		All	58	0	3	5	66
Yamagami et al[9]	2013	≤ 10	16	0	4	11	31	Pneumothorax (44); Hemoptysis (9); Thoracostomy tube insertion (3)
		11-20	30	0	4	6	40
		> 20	12	0	0	2	14
		All	58	0	8	19	85

fn: False negative; fp: False positive; tn: True negative; tp: True positive.