Comparison of short-term efficacy between totally laparoscopic gastrectomy and laparoscopic assisted gastrectomy for elderly patients with gastric cancer

Table 1 Clinical and pathological characteristics of laparoscopic assisted gastrectomy and totally laparoscopic gastrectomy group for elderly patients (mean ± SD)

Characteristics	LAG group (n = 232)	TLG group (n = 230)	P value
Gender			0.472
Male	183	175
Female	49	55
Age (yr)	74.62 ± 3.80	74.69 ± 4.10	0.848
BMI (kg/m2)	23.31 ± 3.08	23.64 ± 3.46	0.285
aCCI score, n (%)			0.608
0-4	188	182
> 4	44	48
ASA score, n (%)			0.426
I	1	1
II	177	168
III	54	61
History of abdominal surgery			0.232
No	189	177
Yes	43	53
Tumor resection			0.163
Distal	125	109
Total	107	121
Neoadjuvant chemotherapy			0.201
No	223	215
Yes	9	15
Tumor diameters (cm) (median, IQR)	4.00 (2.58-6.00)	4.00 (2.65-5.5)	0.230
pT			0.895
T0	2	0
T1	38	43
T2	36	37
T3	116	107
T4	40	43
pN			0.544
N0	83	77
N1	33	33
N2	49	48
N3	67	72
pTNM			0.857
0	2	0
I	52	60
II	65	57
III	113	113
Nerve invasion			0.249
Yes	71	82
No	161	148
Vascular invasion			0.685
Yes	91	86
No	141	144
Differentiation			0.945
Well/moderate	151	149
Poor/undifferentiated	81	81

LAG: Laparoscopic assisted gastrectomy; TLG: Totally laparoscopic gastrectomy; aCCI: Age-adjusted Charlson Comorbidity Index; BMI: Body mass index; ASA: American Society of Anesthesiologists; SD: Standard deviation; IQR: Interquartile range.