Relationship between celiac artery variation and number of lymph nodes dissection in gastric cancer surgery

Table 1 Comparison of clinical data between two groups of patients with celiac artery variation and without vascular variation

Clinicopathological features	Abnormal vessel group, n = 110	Normal vessel group, n = 311	χ2	P value
Gender
male	74	232	2.196	0.138
female	36	79
Agein yr
≤45	23	54	0.881	0.644
46-60	46	143
>60	41	114
Tumor stage
I	24	66	2.848	0.241
II	22	87
III	64	158
Tumor location
Proximal stomach	13	38	0.977	0.802
Gastric body	14	45
Gastric antrum	73	208
Whole stomach	10	20
Pathology classification
Adenocarcinoma	99	270	2.489	0.477
Mucous carcinoma	5	10
Signet ring cell carcinoma	2	13
Undifferentiated carcinoma	4	18
Borrmann classification
I	8	11	3.830	0.280
II	31	75
III	53	164
IV	18	61
Adjuvant chemotherapy
Yes	79	217	0.163	0.687
No	31	94
Complication
Yes	18	29	4.059	0.044
No	92	282
Lymph node clearance	20.391 ± 0.693	23.707 ± 0.587	3.651	0.000
Lymph node clearance in different stages
I	13.917 ± 0.558	20.470 ± 1.010	3.822	0.000
II	17.863 ± 0.728	23.402 ± 1.095	4.231	0.000
III	23.688 ± 0.932	25.228 ± 0.871	1.207	0.229

Table 2 The relationship between the number of lymph nodes dissection and the clinicopathological features of radical D2 lymphadenectomy for gastric cancer

Influence factors	n	mean ± S	SS	MS	t or F value	P value
Gender
Male	306	22.869 ± 0.573	-	-	0.097	0.922
Female	115	22.765 ± 0.839
Agein yr
≤ 45	77	23.091 ± 1.313	15.536	7.768	0.081	0.922
46-60	189	22.937 ± 0.625
> 60	155	22.600 ± 0.817
Variation of celiac artery
Yes	110	20.391 ± 0.693	-	-	3.651	0.000
No	311	23.707 ± 0.587
Tumor stage
I	90	18.722 ± 0.814	-	-	13.365	0.000
II	109	22.284 ± 0.910
III	222	24.784 ± 0.676
Tumor location
Proximal stomach	51	21.588 ± 1.273	510.539	170.180	1.801	0.146
Gastric body	59	21.509 ± 1.199
Gastric antrum	281	23.000 ± 0.576
Whole stomach	30	26.100 ± 2.207
Pathology classification
Adenocarcinoma	369	22.846 ± 0.511	54.376	18.125	0.190	0.903
Mucous carcinoma	15	24.333 ± 2.656
Signet ring cell carcinoma	15	21.733 ± 1.963
Undifferentiated carcinoma	22	22.500 ± 2.123
Borrmann classification
I	19	17.053 ± 1.733	2492.710	830.903	9.261	0.000
II	105	20.171 ± 0.842
III	218	23.303 ± 0.655
IV	79	26.506 ± 1.165

MS: Mean square;SS: Standard deviation square.

Table 3 The results of univariate Cox regression analysis in gastric cancer

Clinicopathological features	B	SE	Wald	OR (95%CI)	P value
Age	0.204	0.104	3.820	1.227(0.999-1.505)	0.051
Gender	0.104	0.159	0.429	1.110(0.812-1.517)	0.512
Tumor stage	1.004	0.124	65.481	2.728(2.140-3.479)	0.000
Tumor location	-0.265	0.088	8.958	0.767 (0.645-0.913)	0.003
Pathology classification	0.020	0.089	0.050	1.020 (0.857-1.214)	0.823
Borrmann classification	0.605	0.098	37.822	1.832 (1.511-2.222)	0.000
Celiac artery variation	0.038	0.163	0.055	1.039 (0.755-1.430)	0.815
Operation time	0.002	0.001	8.270	1.002 (1.001-1.003)	0.004
Intraoperative bleeding	0.001	0.000	21.216	1.001 (1.000-1.001)	0.000
No. of lymph nodes metastases	0.071	0.008	90.075	1.074 (1.058-1.090)	0.000
No. of lymph nodes	0.018	0.007	6.083	1.018 (1.004-1.032)	0.014
Positive lymph node ratio	2.491	0.242	106.057	12.072 (7.514-19.393)	0.000

Table 4 The results of multivariate Cox regression analysis

Variables	B	SE	Wald	OR (95%CI)	P value
Comprehensive staging	0.626	0.145	18.494	1.870 (1.406-2.486)	0.000
Intraoperative bleeding	0.001	0.000	10.575	1.001 (1.000-1.001)	0.001
Positive lymph node ratio	1.466	0.318	21.206	4.330 (2.320-8.079)	0.000