Impact of rapid on-site evaluation combined with endobronchial ultrasound and virtual bronchoscopic navigation in diagnosing peripheral lung lesions

Table 6 Diagnostic yield related to location and size of the lesion between both groups

Variables	Diagnostic yield (%)		X²	p value
Variables	ROSE Group	Non-ROSE Group	X²	p value
Location of lesion
Right upper lobe	18/20 (90%)	13/22 (59.1%)	0.505	0.047
Right middle lobe	14/16 (87.5%)	14/16 (87.5%)	0.00	1.000
Right lower lobe	20/22 (90.9%)	14/18 (77.7%)	0.636	0.425
Left upper lobe	15/23 (65.2%)	15/25 (60%)	0.221	0.638
Left lower lobe	15/19 (78.9%)	13/17 (76.5%)	0.469	0.493
Size of lesion (cm)
< 2
Brushing	24/48 (50%)	12/46 (26.1%)	4.117	0.035
Total diagnostic yield	36/48 (75%)	26/46 (56.5%)	0.983	0.042
> 2
Brushing	44/52 (84.6%)	40/52 (76.9%)	2.782	0.213
Total diagnostic yield	50/52 (96.1%)	48/52 (88.9%)	1.020	0.572

Categorical variables were presented as number (percentage), using the chi-square test or Fisher’s exact test when compared. Differences were considered to indicate significance if a p value was < 0.05
ROSE, rapid on-site evaluation

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