Table 4 Subgroup analysis of diagnostic yield in different imaging tools
Characteristics (N = 228) | VBN + CBCT (N = 24) | VBN + CBCT + r-EBUS (N = 80) | VBN + CBCT + r-EBUS + ROSE (N = 124) | F/X2 | P value |
|---|---|---|---|---|---|
Diagnostic yield | 83.33% (20/24) | 76.25% (61/80) | 87.90% (109/124) | 4.755 | 0.093 |
Lesion size | |||||
≤2 cm | 86.67% (13/15) | 63.33% (19/30) | 78.33% (47/60) | 3.642 | 0.162 |
>2 cm | 77.78% (7/9) | 84% (42/50) | 96.88% (62/64) | 6.999 | 0.030 |
Lesion type | |||||
Pure GGO | - | 50% (4/8) | 57.14% (4/7) | 0.077 | 0.782 |
Part-solid | 90% (9/10) | 80% (16/20) | 83.33% (35/42) | 0.480 | 0.787 |
Solid | 84.62% (11/13) | 78.85% (41/52) | 93.33% (70/75) | 5.834 | 0.054 |
Bronchus sign | |||||
No | 42.86% (3/7) | 16.67% (2/12) | 44.44% (4/9) | 2.311 | 0.315 |
Bronchus truncation sign | 100% (12/12) | 93.94% (31/33) | 92% (23/25) | 0.977 | 0.614 |
Bronchus passage sign | 100% (5/5) | 80% (28/35) | 91.11% (82/90) | 3.726 | 0.155 |