Feasibility and safety of enhanced recovery after surgery in elderly patients with gastric cancer

Table 3 Surgical operations in two groups

Variables	Young group (n = 79)	Elderly group (n = 82)	t/Z/χ2	P value
Operative method			4.423	0.110
Proximal gastrectomy	10 (12.7)	21 (25.6)
Distal gastrectomy	39 (49.4)	36 (43.9)
Total gastrectomy	30 (38.0)	25 (30.5)
Surgical approach			0.037	0.848
Laparoscopy	32 (40.5)	32 (39.0)
Robot assisted surgery	47 (59.5)	50 (61.0)
Conversion to open surgery (yes/no)	1 (1.3)/78 (98.7)	2 (2.4)/80 (97.6)	-1	1.000
Operation time (min)	280.7 ± 54.1	276.4 ± 52.3	0.518	0.605
Intraoperative bleeding volume (mL)	50 (10)	50 (10)	-0.882	0.378
Number of lymph nodes dissection	29.9 ± 12.0	27.3 ± 9.0	1.557	0.121

¹When performing χ² tests, Fisher's exact test did not provide a χ² value in the results.

Data are shown as mean ± SD, median (interquartile range), or n (%).