Table 1.
Demographics of patients who underwent CT-guided PTNB.
| Characteristics | Total (n = 247) | 60 ≤ Age < 80 (n = 193) | Age ≥ 80 (n = 54) |
p Value |
|---|---|---|---|---|
| Age | 72.6 ± 7.81 | 69.48 ± 5.52 | 83.76 ± 3.22 | <0.001 |
| Sex | ||||
| Male | 166 (67.2) | 137 (71.0) | 29 (53.7) | 0.017 |
| Female | 81 (32.8) | 56 (29.0) | 25 (46.3) | |
| Smoking status | ||||
| Never-smoker | 85 (37.1) | 63 (35.2) | 22 (44.0) | 0.161 |
| Former smoker | 89 (38.9) | 68 (38.0) | 21 (42.0) | |
| Current smoker | 55 (24.0) | 48 (26.8) | 7 (14.0) | |
| Smoking pack-years | 39.8 ± 27.2 | 36.7 ± 20.7 | 52.0 ± 43.2 | 0.010 |
| Emphysema | ||||
| No | 149 (60.3) | 120 (62.2) | 29 (53.7) | 0.261 |
| Yes | 98 (39.7) | 73 (37.8) | 25 (46.3) | |
| ILA or ILD | ||||
| No | 205 (83.0) | 165 (85.5) | 40 (74.1) | 0.048 |
| Yes | 42 (17.0) | 28 (14.5) | 14 (25.9) | |
| Location | ||||
| Upper lobe | 124 (50.2) | 92 (47.7) | 32 (59.3) | 0.132 |
| Middle/lower lobes | 123 (49.8) | 101 (52.3) | 22 (40.7) | |
| Target size (cm) | 4.04 ± 2.11 | 4.04 ± 2.18 | 4.03 ± 1.87 | 0.972 |
| Type | ||||
| Solid | 236 (95.5) * | 186 (96.4) | 50 (92.6) | 0.401 |
| Part-solid | 10 (4.0) * | 6 (3.1) | 4 (7.4) | |
| Pure GGN | 1 (0.4) * | 1 (0.5) | 0 (0.0) | |
| Needle traversing emphysema or lung fibrosis | ||||
| No | 221 (92.5) | 179 (94.7) | 42 (84.0) | 0.029 |
| Yes | 18 (7.5) | 10 (5.3) | 8 (16.0) | |
| Needle tip in the target | ||||
| No | 27 (11.3) | 19 (10.1) | 8 (16.0) | 0.237 |
| Yes | 212 (88.7) | 170 (89.9) | 42 (84.0) | |
| Pleura to target(cm) | 1.23 ± 1.43 | 1.24 ± 1.45 | 1.17 ± 1.37 | 0.770 |
| Position | ||||
| Supine | 75 (31.4) * | 57 (30.2) * | 18 (36.0) | 0.140 |
| Prone | 144 (60.3) * | 119 (63.0) * | 25 (50.0) | |
| Others | 20 (8.4) * | 13 (6.9) * | 7 (14.0) | |
| Biopsy needle | ||||
| FNA only | 44 (18.4) | 35 (18.5) | 9 (18.0) | 0.933 |
| CNB or combined | 195 (81.6) | 154 (81.5) | 41 (82.0) | |
| Size of needle | ||||
| 22 G | 46 (19.2) | 35 (18.5) | 11 (22.0) | 0.835 |
| 20 G | 112 (46.9) | 90 (47.6) | 22 (44.0) | |
| 18 G | 81 (33.9) | 64 (33.9) | 17 (34.0) | |
| Transfissural approach | ||||
| No | 223 (93.3) | 178 (94.2) | 45 (90.0) | 0.338 |
| Yes | 16 (6.7) | 11 (5.8) | 5 (10.0) |
* Unless otherwise specified, the data are number of biopsies (and the percentages). CNB, core needle biopsy; FNA, fine needle aspiration; ILA, interstitial lung abnormality; ILD, interstitial lung disease; IQR, interquartile range. * Because of rounding, percentages may not total 100.