Table 2 Univariate Analysis of positive pulmonary and mediastinal lymph nodes (pN1+, pN2+)
Variables | pN1- (%) | pN1+ (%) | P-Value | pN2- (%) | pN2+ (%) | P-Value |
|---|---|---|---|---|---|---|
Sex | 0.148 | 0.627 | ||||
male | 90 (63.4) | 52 (36.6) | 112 (78.9) | 30 (21.1) | ||
female | 46 (74.2) | 16 (25.8) | 47 (75.8) | 15 (24.2) | ||
Age | 0.298 | 0.237 | ||||
≤ 68 years | 68 (63) | 40 (37) | 88 (81.5) | 20 (81.5) | ||
> 68 years | 68 (70.8) | 28 (29.2) | 71 (74.0) | 25 (21.2) | ||
Tumor site | 0.067 | 0.783 | ||||
right | 90 (71.4) | 36 (28.6) | 99 (78.6) | 27 (21.4) | ||
left | 46 (59) | 32 (41) | 60 (76.9) | 18 (23.1) | ||
Tumor localization | < 0.001 | 0.02 | ||||
central | 25 (47.2) | 28 (52.8) | 36 (66.7) | 18 (33.3) | ||
peripheral | 111 (74.5) | 38 (25.5) | 122 (81.9) | 27 (18.1) | ||
Tumor size | 0.011 | 0.042 | ||||
≤ 3 cm | 77 (75.5) | 25 (24.5) | 86 (84.3) | 16 (15.7) | ||
> 3 cm | 59 (57.8) | 43 (42.8) | 73 (71.6) | 29 (28.4) | ||
Lobe distribution | 0.918 | 0.385 | ||||
ULa | 85 (66.4) | 43 (33.6) | 97 (75.8) | 31 (24.2) | ||
Non-UL | 51 (67.1) | 25 (32.9) | 62 (81.6) | 14 (18.4) | ||
pT-category | 0.015 | 0.081 | ||||
pT1 | 70 (77.8) | 20 (22.2) | 77 (85.6) | 13 (14.4) | ||
pT2 | 33 (61.1) | 21 (38.9) | 40 (74.1) | 14 (25.9) | ||
pT3 | 18 (51.4) | 17 (48.6) | 23 (65.7) | 12 (34.3) | ||
pT4 | 13 (56.5) | 10 (43.5) | 17 (73.9) | 6 (26.1) | ||
pR-classification | 0.017 | 0.088 | ||||
R0 | 130 (68.8) | 59 (31.2) | 150 (79.4) | 39 (20.6) | ||
R1–2 | 5 (35.7) | 9 (64.3) | 8 (57.1) | 6 (42.9) | ||
pL-status | < 0.001 | < 0.001 | ||||
pL0 | 55 (96.5) | 2 (3.5) | 56 (98.2) | 1 (1.8) | ||
pL1 | 80 (54.8) | 66 (45.2) | 102 (69.9) | 44 (30.1) | ||
pV-status | 0.006 | 0.004 | ||||
pV0 | 117 (70.9) | 48 (29.1) | 135 (81.1) | 30 (18.2) | ||
pV | 18 (47.4) | 20 (52.6) | 23 (60.5) | 15 (39.5) | ||
Pn-Status | 0.088 | 0.34 | ||||
Pn0 | 131 (67.9) | 62 (32.1) | 149 (77.2) | 44 (22.8) | ||
Pn1 | 4 (40.0) | 6 (60.0) | 9 (90.0) | 1 (10.0) | ||
Histological tumor type | 0.214 | 0.646 | ||||
Adeno-Ca.b | 84 (71.8) | 33 (28.2) | 94 (80.3) | 23 (19.7) | ||
56 (74.4) | 19 (25.6) | |||||
SCCc | 45 (60.0) | 30 (40.0) | 9 (75.0) | 3 (25.0) | ||
others | 7 (58.3) | 5 (41.7) | ||||
Grading | 0.016 | 0.001 | ||||
G1 | 25 (89.3) | 3 (10.7) | 27 (96.4) | 1 (3.6) | ||
G2 | 64 (67.4) | 31 (32.6) | 79 (83.2) | 16 (16.8) | ||
G3 | 39 (57.4) | 29 (42.6) | 43 (63.2) | 25 (36.8) | ||
G4 | 7 (58.3) | 5 (41.7) | 9 (75.0) | 3 (25.0) | ||