From: Insufficient lymph node assessment in gastric adenocarcinoma
Characteristics | Tumor location (%) | P value | |||
---|---|---|---|---|---|
Proximal | Distal | Diffuse | Total | ||
Gender | 0.298 | ||||
Male | 124 (42.8) | 137 (47.2) | 29 (10) | 290 (100) | |
Female | 50 (35.0) | 77 (53.8) | 16 (11.2) | 143 (100) | |
Age | 0.463 | ||||
Median (range) | 60 (27–84) | 58 (21–82) | 59 (26–84) | 60 (21–88) | |
Histologic form | < 0.001 | ||||
Diffuse type | 68 (39.8) | 73 (42.7) | 30 (17.5) | 171 (100) | |
Intestinal type | 96 (41.9) | 122 (53.3) | 11 (4.8) | 229 (100) | |
T stage | 0.250 | ||||
1 | 4 (21.1) | 13 (68.4) | 2 (10.5) | 19 (100) | |
2 | 21 (44.7) | 25 (53.2) | 1 (2.1) | 47 (100) | |
3 | 103 (40.9) | 122 (48.4) | 27 (10.7) | 252 (100) | |
4 | 32 (36.8) | 43 (49.4) | 12 (13.8) | 87 (100) | |
N stage | 0.641 | ||||
No | 49 (45.8) | 47 (43.9) | 11 (10.3) | 107 (100) | |
N1 | 32 (45.0) | 30 (42.3) | 9 (12.7) | 71 (100) | |
N2 | 36 (36.4) | 54 (54.5) | 9 (9.1) | 99 (100) | |
N3 | 37 (41.1) | 40 (44.5) | 13 (14.4) | 90 (100) | |
Tumor grade | 0.027 | ||||
Well differentiated | 42 (47.7) | 43 (48.9) | 3 (3.4) | 88 (100) | |
Moderately differentiated | 59 (41.6) | 74 (52.1) | 9 (6.3) | 142 (100) | |
Poorly differentiated | 69 (36.9) | 92 (49.2) | 26 (13.9) | 187 (100) | |
Lymphatic-vascular invasion | 0.055 | ||||
Negative | 52 (46.4) | 54 (48.2) | 6 (5.4) | 112 (100) | |
Positive | 110 (37.0) | 150 (50.5) | 37 (12.5) | 297 (100) | |
Perineural invasion | 0.388 | ||||
Negative | 61 (43.6) | 67 (47.8) | 12 (8.6) | 140 (100) | |
Positive | 100 (37.3) | 137 (51.1) | 31 (11.6) | 268 (100) | |
Tumor size | 0.016 | ||||
≤ 6 cm | 101 (38.4) | 142 (54.0) | 20 (7.6) | 263 (100) | |
> 6 cm | 56 (45.2) | 50 (40.3) | 18 (14.5) | 124 (100) | |
Surgical margin status | 0.292 | ||||
Free | 113 (38.4) | 152 (51.7) | 29 (9.9) | 295 (100) | |
Involved | 47 (44.8) | 45 (42.8) | 13 (12.4) | 105 (100) | |
Total LN examined | 0.099 | ||||
Median (range) | 9 (0–48) | 7 (0–55) | 11 (0–45) | 8 (0–55) | |
Adequate LN examined | 0.092 | ||||
Inadequate (< 16 LNs) | 131 (38.5) | 177 (52.1) | 32 (9.4) | 340 (100) | |
Adequate (≥ 16 LNs) | 43 (46.2) | 37 (39.8) | 13 (14.0) | 93 (100) |