Effect of sarcopenia on short- and long-term outcomes in patients with gastric neuroendocrine neoplasms after radical gastrectomy: results from a large, two-institution series

Table 1 Clinicopathological characteristics

Variable	All (n = 138)	Low (n = 59)	High (n = 79)	P
Gender				0.014
Male	105	51	54
Female	33	8	25
Age(years)				0.004
< 65	80	26	54
≥ 65	58	33	25
BMI(kg/m2)				0.007
< 25	115	55	60
≥ 25	23	4	19
ASA				0.664
1	69	28	41
2	54	23	31
3	15	8	7
Comorbidities				0.471
No	40	19	21
Yes	98	40	58
Tumor diameter(mm)				0.037
< 50	68	23	45
≥ 50	70	36	34
Tumor location				0.783
Upper	63	26	37
Middle	27	12	15
Lower	33	16	17
Mix	15	5	10
T stage				0.471
T1 + T2	77	35	42
T3 + T4	61	24	37
N stage				0.181
N0	46	16	30
N1	92	43	49
Surgical method				0.103
Open	43	14	29
Laparoscopic	95	45	50
Gastrectomy extent				0.67
Total	101	45	56
Distal	33	13	20
Proximal	4	1	3
Pathological type				0.318
NET	12	3	9
NEC	52	21	31
MANEC	74	35	39
Ki-67 positive index (%)				0.439
< 60	59	23	36
≥ 60	79	36	43
Complications				0.984
No	82	35	47
Yes	56	24	32
Adjuvant chemotherapy				0.193
No	66	32	34
Yes	72	27	45

SMI Skeletal muscle index, BMI Body mass index, ASA American Society of Anesthesiologists, NET Neuroendocrine tumor, NEC Neuroendocrine carcinoma, MANEC Mixed adenoneuroendocrine carcinoma

ISSN: 1471-2407