Table 1. Procedure time and diagnostic yield by size, diagnosis and location.
| Variables | n | Diagnostic yield by ENB (%) | Procedure time*, mean ± SD [range] (minutes) |
|---|---|---|---|
| Total | 35 | 16.78±9.57 [3–46] | |
| Diagnosed by ENB | 25 | 71.4 (25/35) | 17.00±8.19 [7–46] |
| Not diagnosed by ENB | 10 | 28.6 (10/35) | 16.25±12.94 [3–44] |
| Target size (mm) | |||
| Mean [range] | 15.28±5.48 [8–25] | ||
| ≤15 | 20 | 60 (12/20) | 16.31±8.90 [7–44] |
| >15 | 15 | 86.7 (13/15) | 17.72±10.63 [3–46] |
| Location | |||
| Right upper lobe | 9 | 88.9 (8/9) | 18.75±11.82 [7–46] |
| Right middle lobe | 2 | 50 (1/2) | 11** |
| Right lower lobe | 10 | 70 (7/10) | 14±3.55 [9–18] |
| Left upper lobe | 7 | 85.7 (6/7) | 12.4±6.43 [3–20] |
| Left lower lobe | 7 | 71.4 (5/7) | 23.60±13.20 [7–44] |
| Pathology | |||
| Malignancy | 80.8 (21/26) | 17.36±10.27 [3–44] | |
| Primary lung cancer | 22 | 81.8 (18/22) | |
| Metastatic lung cancer | 4 | 75 (3/4) | |
| Benign lesions | 66.7 (4/6) | 17.00±5.48 [10–23] | |
| Organizing pneumonia | 2 | 100 (2/2) | |
| Lympho-proliferative Les | 1 | 100 (1/1) | |
| Inflammatory change | 2 | 50 (1/2) | |
| Old inflammatory change | 1 | 0 (0/1) |
*, including registration and navigation time to reach the target; **, only one procedure time was available. ENB, electromagnetic navigational bronchoscopy.