Characteristics | Excisional biopsy | Incisional biopsy | Total | P value |
---|---|---|---|---|
(n = 163) | (n = 39) | (n = 202) | ||
Sex | 0.003 | |||
Male | 92 (56.4%) | 32 (82.1%) | 124 (61.4%) | |
Female | 71 (43.6%) | 7 (17.9%) | 78 (38.6%) | |
Age | 0.922 | |||
Median | 58 (26–85) | 58 (29–75) | 58 (26–85) | |
<65 | 110 (67.5%) | 26 (66.7%) | 136 (67.3%) | |
≥65 | 53 (32.5%) | 13 (33.3%) | 66 (32.7%) | |
Smoking status | 0.008 | |||
Never-smoker | 93 (57.1%) | 13 (33.3%) | 106(52.5%) | |
Current/ever-smoker | 70(42.9%) | 26(66.7%) | 96 (47.5%) | |
ECOG PS | 1.000a | |||
PS 0–1 | 143 (87.7%) | 35 (89.7%) | 178 (88.1%) | |
PS ≥2 | 20 (12.3%) | 4 (10.3%) | 24 (11.9%) | |
Histology | 0.747 | |||
Adenocarcinoma | 138 (84.7%) | 31 (79.5%) | 169 (83.7%) | |
Squamous | 13 (8.0%) | 4 (10.3%) | 17 (8.4%) | |
Large cell | 7 (4.3%) | 2 (5.1%) | 9 (4.5%) | |
Other NSCLC | 5 (3.1%) | 2 (5.1%) | 7 (3.5%) | |
Stage | 0.448 | |||
IIIB | 29 (17.8%) | 9 (23.1%) | 38 (18.8%) | |
IV | 134 (82.2%) | 30 (76.9%) | 164 (81.2%) | |
LN size | <0.001 | |||
Mean size | 18.6 mm | 25.9 mm | 20.0 mm | |
>2 cm | 34 (20.9%) | 23 (59.0%) | 57 (28.2%) | |
≤2 cm | 129 (79.1%) | 16 (41.0%) | 145 (71.8%) | |
LN site | 0.107 | |||
Unilateral | 132 (81.0%) | 27 (69.2%) | 159 (78.7%) | |
Bilateral | 31 (19.0%) | 12 (30.8%) | 43 (21.3%) | |
LN number | 0.109 | |||
Single | 77 (47.2%) | 24 (61.5%) | 101 (50.0%) | |
Multiple | 86 (52.8%) | 15 (38.5%) | 101 (50.0%) | |
Fixed LN | <0.001 | |||
Fixed | 119 (73.0%) | 6 (15.4%) | 125 (61.9%) | |
Unfixed | 44 (27.0%) | 33 (84.6%) | 77 (38.1%) | |
Systemic treatment | 0.141 | |||
Yes | 127 (77.9%) | 26 (66.7%) | 153 (75.7%) | |
No | 36 (22.1%) | 13 (33.3%) | 49 (24.3%) |