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

Table 1 Comparison of surgical-related indicators among three groups of patients, mean ± SD

Groups	Cases (n)	Intraoperative blood loss (mL)	Surgery duration (minute)	Postoperative time to first flatus (day)	Time to ambulation (day)	Postoperative hospital stay (day)
Control	40	398.14 ± 74.21	301.25 ± 45.15	5.25 ± 1.31	3.94 ± 1.21	16.91 ± 4.23
Open surgery	25	205.13 ± 69.32	265.13 ± 37.43	4.13 ± 1.15	3.06 ± 0.80	15.15 ± 3.71
Laparoscopic surgery	45	177.31 ± 55.15	231.25 ± 27.77	3.43 ± 1.02	2.87 ± 0.74	13.15 ± 3.15
F value		131.998	37.756	26.156	14.486	10.973
P value		0.000	0.000	0.000	0.000	0.000

Quantitative data were compared across multiple groups using the F-test.

Table 2 Comparison of trauma stress response indicators among three groups of patients, mean ± SD

Groups	Cases (n)	ET (ng/L)		NO (μmol/L)		CRP (mg/L)
		Before	After 12 hours	Before	After 12 hours	Before	After 12 hours
Control	40	1.05 ± 0.32	1.80 ± 0.58	10.08 ± 3.17	20.13 ± 3.40	21.15 ± 1.21	63.12 ± 12.58
Open surgery	25	1.04 ± 0.39	1.65 ± 0.53	10.11 ± 3.15	18.05 ± 2.45	21.30 ± 1.25	59.12 ± 11.37
Laparoscopic surgery	45	1.01 ± 0.35	1.39 ± 0.51	10.03 ± 3.11	16.13 ± 2.11	21.34 ± 1.18	50.10 ± 10.33
F value		0.149	6.232	0.006	22.925	0.279	14.367
P value		0.862	0.002	0.994	< 0.001	0.757	< 0.001

Quantitative data were compared across multiple groups using the F-test. ET: Endothelin; NO: Nitric oxide; CRP: C-reactive protein.

Table 3 Comparison of complication incidence rates among three groups of patients, n (%)

Groups	Cases (n)	Anastomotic fistula	Incision infection	Pulmonary infection	Dumping syndrome	Abdominal infection	Total incidence
Control	40	2 (5.00)	3 (7.50)	0 (0)	1 (2.50)	2 (5.00)	8 (20.00)
Open surgery	25	3 (12.00)	4 (16.00)	1 (4.00)	2 (8.00)	4 (16.00)	14 (56.00)
Laparoscopic surgery	45	7 (15.56)	1 (2.22)	0 (0)	5 (11.11)	5 (11.11)	18 (40.00)
Control and laparoscopic group χ2/P value							8.904/0.002
Control and laparoscopic group χ2/P value							3.989/0.045
Control and laparoscopic χ2/P value							1.657/0.197

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

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.