Table 1 Comparision of demographics and lesion distribution among the five groups
Characteristics Group | Total (n = 92) | Malignant (n = 62) | Suspicious (n = 11) | Undetermined (n = 5) | Benign (n = 10) | Inadequate (n = 4) | P value |
|---|---|---|---|---|---|---|---|
Age[\( \overline{\mathrm{x}} \) ±s](year) | 51.5 ± 10.8 | 50.9 ± 9.4 | 58.6 ± 15.5 | 52.8 ± 15.5 | 46.0 ± 8.8 | 54.5 ± 7.4 | 0.087 |
Body mass index | 22.0 ± 3.4 | 21.7 ± 3.4 | 23.7 ± 5.0 | 22.9 ± 1.6 | 21.5 ± 2.1 | 20.8 ± 1.6 | 0.302 |
Lesion size (mm) | 17.1 ± 4.0 | 17.6 ± 3.8 | 18.0 ± 4.7 | 16.0 ± 4.0 | 14.6 ± 3.1 | 13.8 ± 3.2 | 0.061 |
Nodal number | 1.000 | ||||||
solitary | 13 (14.1%) | 7 (7.6%) | 1 (1.1%) | 0 (0.0%) | 4 (4.3%) | 1 (1.1%) | |
multiple | 79 (85.9%) | 55 (59.8%) | 10 (10.9%) | 5 (5.4%) | 6 (6.5%) | 3 (3.3%) | |
Location | |||||||
Left Paraaortic | |||||||
Above the IMA(I) | 27 (29.3%) | 18 (19.5%) | 5 (5.4%) | 1 (1.1%) | 0 (0.0%) | 3 (3.3%) | 0.670 |
Below the IMA (II) | 28 (30.5%) | 19 (20.7%) | 4 (4.3%) | 1 (1.1%) | 3 (3.3%) | 1 (1.1%) | |
Right Paraaortic | |||||||
Below the IMA (III) | 29 (31.5%) | 18 (19.5%) | 2 (2.2%) | 3 (3.3%) | 6 (6.5%) | 0 (0.0%) | 1.000 |
Above the IMA (IV) | 8 (8.7%) | 7 (7.6%) | 0 (0.0%) | 0 (0.0%) | 1 (1.1%) | 0 (0.0%) | |
Needle gauge | |||||||
≤ 21G(20G,21G) | 60 (65.2%) | 40 (43.5%) | 8 (8.7%) | 4 (4.3%) | 6 (6.5%) | 2 (2.2%) | 1.000 |
≥ 22G(22G,23G) | 32 (34.8%) | 22 (23.9%) | 3 (3.3%) | 1 (1.1%) | 4 (4.3%) | 2 (2.2%) | |
Cell block | 0.483 | ||||||
Yes | 31 (33.7%) | 15 (16.1%) | 9 (9.9%) | 1 (1.1%) | 3 (3.3%) | 3 (3.3%) | |
No | 61 (66.3%) | 47 (51.1%) | 2 (2.2%) | 4 (4.3%) | 7 (7.6%) | 1 (1.1%) | |
Final diagnosis | 0.110 | ||||||
Malignant | 84 (91.3%) | 62 (67.4%) | 11 (11.9%) | 5 (5.4%) | 3 (3.3%) | 3 (3.3%) | |
benign | 8 (8.7%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 7 (7.6%) | 1 (1.1%) | |
Experience (years) | 5.5 ± 3.1 | 6.2 ± 3.0 | 4.4 ± 2.9 | 2.4 ± 2.1 | 5.3 ± 3.7 | 2.8 ± 2.2 | 0.011 |