Table 3 Univariate Analysis of positive lymph nodes (pN0, pN+)
Variables | pN0 (%) | pN+ (%) | P-Value |
|---|---|---|---|
Sex | 0.397 | ||
male | 85 (59.9) | 57 (40.1) | |
female | 41 (66.1) | 21 (33.9) | |
Age | 0.314 | ||
≤ 68 years | 63 (58.3) | 45 (41.7) | |
> 68 years | 63 (65.6) | 33 (34.4) | |
Tumor site | 0.067 | ||
Right | 84 (66.7) | 42 (33.3) | |
Left | 42 (53.8) | 36 (46.2) | |
Tumor localization | < 0.001 | ||
central | 22 (41.5) | 31 (58.5) | |
peripheral | 104 (69.8) | 45 (30.2) | |
Tumor size | < 0.001 | ||
≤ 3 cm | 76 (74.5) | 26 (25.5) | |
> 3 cm | 50 (49) | 52 (51) | |
Lobe distribution | 0.834 | ||
UL a | 78 (60.9) | 50 (39.1) | |
Non-UL | 40 (62.5) | 24 (37.5) | |
Number of dissected LN b | 0.005 | ||
pT-category | 0.001 | ||
pT1 | 69 (76.7) | 21 (23.3) | |
pT2 | 27 (50.9) | 26 (49.1) | |
pT3 | 17 (47.2) | 19 (52.8) | |
pT4 | 11 (47.8) | 12 (52.2) | |
pR-classification | 0.048 | ||
pR0 | 120 (96.0) | 5 (4.0) | |
pR1–2 | 69 (88.5) | 9 (11.5) | |
pL-status | < 0.001 | ||
pL0 | 54 (94.7) | 3 (5.3) | |
pL1 | 71 (48.6) | 75 (51.4) | |
pV-status | 0.001 | ||
pV0 | 111 (67.3) | 54 (32.7) | |
pV1 | 14 (36.8) | 24 (63.2) | |
Pn-status | 0.188 | ||
Pn0 | 121 (96.8) | 4 (3.2) | |
Pn1 | 72 (92.3) | 6 (7.7) | |
Histological tumor type | 0.141 | ||
Adeno-Ca.b | 79 (67.5) | 38 (32.5) | |
SCCc | 41 (54.7) | 34 (45.3) | |
others | 6 (50.0) | 6 (50.0) | |
Grading | 0.005 | ||
G1 | 22 (88.0) | 3 (12.0) | |
G2 | 60 (63.2) | 35 (36.8) | |
G3 | 34 (50.0) | 34 (50.0) | |
G4 | 6 (50.0) | 6 (50.0) | |