Table 2.

Correlation between clinicopathological characteristics and BMI after matching

Characteristics	Low BMI (n = 104)	Normal BMI (n = 416)	High BMI (n = 104)	P value
Gender
Male	82	331	76	0.353
Female	22	85	28
Age
≤ 60	60	220	62	0.379
> 60	44	196	42
Tumor location
Upper third	33	156	37	0.329
Middle third	15	62	13
Lower third	51	160	41
Entire	5	38	13
Tumor size (cm)
≤ 5	60	251	60	0.818
> 5	44	165	44
Borrmann type
I	19	59	11	0.682
II	27	110	32
III	37	162	42
IV	11	35	7
Pathological type
Well differentiated	6	23	4	0.746
Moderately differentiated	21	94	29
Poorly differentiated	72	284	65
Signet ring cell or Mucinous	5	15	6
Type of gastrectomy
Proximal	7	36	6	0.816
Distal	41	148	38
Total	56	232	60
Tumor depth
T1	10	50	12	0.721
T2	10	35	14
T3	39	143	40
T4a	44	184	38
T4b	1	4	0
Lymph node metastasis
N0	23	105	22	0.730
N1	20	61	19
N2	20	87	16
N3a	25	105	33
N3b	16	58	14
Tumor stage
Ia	8	40	10	0.280
Ib	3	24	6
IIa	10	39	9
IIb	19	59	16
IIIa	21	41	12
IIIb	16	109	26
IIIc	27	104	25