Skip to main content
. 2023 Mar 30;31(1):13–22. doi: 10.1097/LBR.0000000000000917

TABLE 3.

Univariable Analyses for Diagnostic Yield.

Variable Forceps biopsy Cryobiopsy Overall diagnostic yield
Diagnostic yield (%) P Diagnostic yield (%) P Diagnostic yield (%) P
Age (y)
 ≤70 70/105 (66.7) 0.675 90/105 (85.7) 0.742 96/105 (91.4) 0.988
 >70 60/94 (63.8) 79/94 (84.0) 86/94 (91.5)
Sex
 Male 75/117 (64.1) 0.665 103/117 (88.0) 0.143 108/117 (92.3) 0.608
 Female 55/82 (67.1) 66/82 (80.5) 74/82 (90.2)
Smoking history
 Never 56/88 (63.6) 0.656 71/88 (80.7) 0.136 80/88 (90.9) 0.805
 Ever 74/111 (66.7) 98/111 (88.3) 102/111 (91.9)
Diameter of lesion (mm)
 ≤20 31/61 (50.8) 0.004 50/61 (82.0) 0.438 52/61 (85.2) 0.037
 >20 99/138 (71.7) 119/138 (86.2) 130/138 (94.2)
Diameter of lesion (mm)
 <10mm 4/8 (50.0) 0.010 6/8 (75.0) 0.439 6/8 (75.0) 0.012
 10-20 mm 30/59 (50.8) 48/59 (81.4) 50/59 (84.7)
 >20 mm 96/132 (72.7) 115/132 (87.1) 126/132 (95.5)
Diameter of lesion in lower lobes (mm)
 <10mm 4/6 (66.7) 0.220 6/6 (100) 0.350 6/6 (100) 0.250
 10-20 mm 16/28 (57.1) 23/28 (82.1) 25/28 (89.3)
 >20mm 38/51 (74.5) 46/51 (90.2) 49/51 (96.1)
Location of lesion
 RUL and LUS 50/81 (61.7) 0.377 63/81 (77.8) 0.02 69/81 (85.2) 0.009
 Others 80/118 (67.8) 106/118 (89.8) 113/118 (95.8)
Morphology
 Others 31/49 (63.3) 0.727 34/49 (69.4) <0.001 42/49 (85.7) 0.098
 Solid 99/150 (66.0) 135/150 (90.0) 140/150 (93.3)
CT bronchus sign
 Positive 124/188 (66.0) 0.440 161/188 (85.6) 0.219 174/188 (92.6) 0.056
 Negative 6/11 (54.5) 8/11 (72.7) 8/11 (72.7)
EBUS orientation
 Within 98/139 (70.5) 0.017 112/139 (87.8) 0.199 133/139 (95.7) 0.002
 Adjacent 30/57 (52.6) 46/57 (80.7) 47/57 (82.5)
Number of cryobiopsies
 1 NA 53/68 (77.9) 0.047 62/68 (91.2) 0.919
 >1 116/131 (88.5) 120/131 (91.6)
Pathology
 Malignancy 102/158 (64.6) 0.654 130/158 (82.3) 0.049 141/158 (89.2) 0.026
 Benign 28/41 (65.3) 39/41 (95.1) 41/41 (100)

Data are presented as number (%).

CT indicates computed tomography; EBUS, endobronchial ultrasound; LUS, left upper segment; RUL, right upper lobe.