Variables | Positive LPN (n = 15) | Negative LPN (n = 58) | P |
---|---|---|---|
Gender | 0.493 | ||
Male | 10 (66.7) | 33 (56.9) | |
Female | 5 (33.3) | 25 (43.1) | |
Age (years) | 0.786 | ||
≤ 60 | 9 (60.0) | 37 (63.8) | |
> 60 | 6 (40.0) | 21 (36.2) | |
Distance from the AV (cm) | 0.923 | ||
< 5 | 9 (60.0) | 34 (58.6) | |
5–10 | 6 (40.0) | 24 (41.4) | |
Post-nCRT LPN short diameter (mm) | < 0.001 | ||
< 7 | 1 (6.7) | 44 (75.9) | |
≥ 7 | 14 (93.3) | 14 (24.1) | |
LPN intensity | 0.141 | ||
Normal | 7 (46.7) | 39 (67.2) | |
Inhomogeneous or intense enhancement | 8 (53.3) | 19 (32.8) | |
LPN shape | 0.046 | ||
Normal | 5 (33.3) | 36 (62.1) | |
Irregular shape or rough edges | 10 (66.7) | 22 (37.9) | |
Pre-nCRT CEA level (ng/ml) | |||
< 5 | 12 (80.0) | 49 (84.5) | 0.979 |
≥ 5 | 3 (20.0) | 9 (15.5) | |
ypT stage | 0.025 | ||
T1–2 | 2 (13.3) | 26 (44.8) | |
T3–4 | 13 (86.7) | 32 (55.2) | |
ypN stage | 0.080 | ||
N0 | 5 (33.3) | 34 (58.6) | |
N1–2 | 10 (66.7) | 24 (41.4) | |
Mesorectal LN metastasis | 3.4 ± 6.2 | 1.4 ± 2.5 | 0.151 |
Histology | 0.027 | ||
Moderate | 9 (60.0) | 50 (86.2) | |
Poor/Mucinous/signet adenocarcinoma | 6 (40.0) | 8 (13.8) | |
Lymphatic invasion | 8 (53.3) | 9 (15.5) | 0.006 |
Perineural invasion | 7 (46.7) | 16 (27.6) | 0.269 |
Vascular invasion | 5 (33.3) | 11 (19.0) | 0.396 |
Types of operation (%) | 0.771 | ||
Low anterior resection | 6 (40.0) | 20 (34.5) | |
Abdominoperineal resection | 8 (53.3) | 36 (62.1) | |
Hartmann procedure | 1 (6.7) | 2 (3.4) | |
LPND type (%) | 1.000 | ||
Unilateral dissection | 11 (73.3) | 44 (75.9) | |
Bilateral dissection | 4 (26.7) | 14 (24.1) | |
Adjuvant chemotherapy | 13 (86.6) | 41 (70.7) | 0.296 |