Follow-up of elderly gastric cancer post-radical surgery: Trauma, complications, and prognosis

Table 4 Comparison of long-term prognosis follow-up survey among three groups of patients, n (%)

Group	Cases (n)	6 months post-discharge	1 year after discharge	2 years after discharge
Control	40	36 (90.00)	28 (70.00)	22 (55.00)
Open surgery	25	24 (96.00)	23 (92.00)	20 (80.00)
Laparoscopic surgery	45	44 (97.78)	41 (91.11)	34 (75.56)
Control and open χ2/P value		0.780/0.377	4.406/0.035	4.205/0.040
Control and laparoscopic χ2/P value		2.313/0.128	6.176/0.012	3.980/0.046
Open and laparoscopic χ2/P value		0.183/0.668	0.016/0.898	0.180/0.671

Qualitative data are presented as frequencies and percentages and were analyzed using the χ² test.