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©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 28, 2013; 19(12): 1975-1983
Published online Mar 28, 2013. doi: 10.3748/wjg.v19.i12.1975
Published online Mar 28, 2013. doi: 10.3748/wjg.v19.i12.1975
Table 1 Clinical and histopathological characteristics of the patients
Factors | n |
Gender (male/female) | 281/146 |
Age ( ≤ 60 yr/> 60 yr) | 200/227 |
Site (antrum/body/fundus/others) | 234/163/22/8 |
Size (< 3 cm/3-6 cm/≥ 6 cm) | 36/216/175 |
Histological grade (well/moderately/poorly) | 11/313/103 |
Depth of invasion (T1/T2/≥ T3) | 4/79/344 |
Lymphatic/venous invasion (absence/presence) | 359/68 |
Perineural invasion (absence/presence) | 396/31 |
Examined lymph nodes (< 10/10-15/> 15) | 126/152/149 |
Table 2 Staging criteria of positive lymph nodes, metastatic lymph node ratio and log odds of positive lymph nodes classifications n (%)
Grade | MLR | LODDS | pN | |||
0 | Nr = 0 | 139 (32.6) | Nr < -1 | 129 (30.2) | 0 | 139 (32.6) |
1 | 0 < Nr ≤ 0.2 | 79 (18.5) | -1 ≤ Nr < -0.5 | 87 (20.4) | 1-2 | 78 (18.3) |
2 | 0.2 < Nr ≤ 0.4 | 58 (13.6) | -0.5 ≤ Nr < 0 | 85 (19.9) | 3-6 | 94 (22.0) |
3/3a | 0.4 < Nr ≤ 0.7 | 104 (24.4) | 0 ≤ Nr < 0.5 | 76 (17.8) | 7-15 | 86 (20.1) |
4/3b | 0.7 < Nr ≤ 1 | 47 (11.0) | Nr ≥ 0.5 | 50 (11.7) | > 15 | 30 (7.0) |
Table 3 Univariate analysis of various prognostic factors correlated to retrieved lymph nodes n (%)
Variable | 5-yr survival rate | Log rankχ2value | P value | |
Examined lymph nodes | ||||
< 10 | 126 (29.5) | 57.1% | 4.256 | 0.039 |
10-15 | 152 (35.6) | 55.9% | ||
> 15 | 149 (34.9) | 45.0% | ||
pN | ||||
0 | 139 (32.6) | 80.6% | 97.014 | 0.000 |
1-2 | 78 (18.3) | 57.7% | ||
3-6 | 94 (22.0) | 44.7% | ||
7-15 | 86 (20.1) | 27.9% | ||
> 15 | 30 (7.0) | 3.3% | ||
MLR | ||||
Nr = 0 | 139 (32.6) | 80.6% | 103.984 | 0.000 |
0 < Nr ≤ 0.2 | 79 (18.5) | 62.0% | ||
0.2 < Nr ≤ 0.4 | 58 (13.6) | 50.0% | ||
0.4 < Nr ≤ 0.7 | 104 (24.4) | 26.9% | ||
0.7 < Nr ≤ 1 | 47 (11.0) | 12.8% | ||
LODDS | ||||
Nr < -1 | 129 (30.2) | 80.6% | 96.214 | 0.000 |
-1 ≤ Nr < -0.5 | 87 (20.4) | 63.2% | ||
-0.5 ≤ Nr < 0 | 85 (19.9) | 43.5% | ||
0 ≤ Nr < 0.5 | 76 (17.8) | 27.6% | ||
Nr ≥ 0.5 | 50 (11.7) | 14.0% |
Table 4 Five-year overall survival of patients with ≤ 15 tested lymph nodes based on positive lymph nodes and metastatic lymph node ratio staging system
MLR 0 | MLR 1 | MLR 2 | MLR 3 | MLR 4 | χ2 | P value | |||||||
n | 5-YSR | n | 5-YSR | n | 5-YSR | n | 5-YSR | n | 5-YSR | ||||
< 10 LN | pN 0 | 59 | 76.30% | - | - | - | - | - | - | - | - | - | - |
pN 1 | - | - | 8 | 50% | 14 | 57.10% | 2 | 0% | 3 | 0% | 22.293 | 0 | |
pN 2 | - | - | - | - | 4 | 50% | 22 | 31.80% | 3 | 33.30% | 0.51 | 0.775 | |
pN 3a | - | - | - | - | - | - | 3 | 66.70% | 8 | 37.50% | 0.78 | 0.377 | |
χ2 | - | - | 0.258 | 9.278 | 1.658 | ||||||||
P | - | - | 0.611 | 0.098 | 0.437 | ||||||||
10-15 LN | pN 0 | 56 | 80.40% | - | - | - | - | - | - | - | - | - | - |
pN 1 | - | - | 24 | 62.50% | - | - | - | - | - | - | - | - | |
pN 2 | - | - | 1 | 100% | 20 | 50% | 18 | 44.40% | - | - | 0.755 | 0.686 | |
pN 3a | - | - | - | - | - | - | 23 | 17.40% | 10 | 20% | 0.068 | 0.794 | |
χ2 | - | 0.836 | - | 3.613 | - | ||||||||
P | - | 0.658 | - | 0.057 | - |
Table 5 Five-year overall survival of patients with ≤ 15 tested lymph nodes based on positive lymph nodes and log odds of positive lymph nodes staging system
LODDS 0 | LODDS 1 | LODDS 2 | LODDS 3 | LODDS 4 | χ2 | P value | |||||||
n | 5-YSR | n | 5-YSR | n | 5-YSR | n | 5-YSR | n | 5-YSR | ||||
< 10 LN | pN 0 | 33 | 81.80% | 20 | 70% | 6 | 66.7.0% | - | - | - | - | 1.486 | 0.476 |
pN 1 | - | - | 10 | 50% | 12 | 58.30% | 4 | 0 | 1 | 0 | 22.349 | 0 | |
pN 2 | - | - | - | - | 14 | 42.90% | 13 | 30.80% | 2 | 0 | 4.202 | 0.122 | |
pN 3a | - | - | - | - | - | - | 3 | 66.70% | 8 | 37.5% | 0.78 | 0.377 | |
χ2 | - | 1.44 | 0.969 | 5.689 | 1.083 | ||||||||
P | - | 0.23 | 0.619 | 0.128 | 0.582 | ||||||||
10-15 LN | pN 0 | 56 | 80.40% | - | - | - | - | - | - | - | - | - | - |
pN 1 | - | - | 24 | 62.50% | - | - | - | - | - | - | - | - | |
pN 2 | - | - | 4 | 75% | 23 | 43.50% | 12 | 50% | - | - | 1.241 | 0.538 | |
pN 3a | - | - | - | - | 2 | 0% | 19 | 15.80% | 12 | 25% | 3.413 | 0.182 | |
χ2 | - | 0.222 | 6.785 | 3.614 | - | ||||||||
P | - | 0.638 | 0 | 0.057 | - |
- Citation: Xu J, Bian YH, Jin X, Cao H. Prognostic assessment of different metastatic lymph node staging methods for gastric cancer after D2 resection. World J Gastroenterol 2013; 19(12): 1975-1983
- URL: https://www.wjgnet.com/1007-9327/full/v19/i12/1975.htm
- DOI: https://dx.doi.org/10.3748/wjg.v19.i12.1975