Comparison of short- and long-term outcomes of laparoscopic vs open resection for gastric gastrointestinal stromal tumors

Table 3 Comparison of long-term oncological outcomes between laparoscopic resection and open resection groups after propensity score matching

Characteristics	LR group (n = 80)	OR group (n = 80)	t/χ2	P value
Adjuvant therapy
No	58	61	0.295	0.587
Yes	22	19
Follow-up time (mo)	35.3 ± 26.02	40.99 ± 25.07	1.408	0.161
Recurrence
No	77	76	0.149	0.699
Yes	3	4
Death
No	79	78	0.340	0.560
Yes	1	2
DFS time (mo)1	97.04 ± 2.81	111.61 ± 5.12	0.023	0.880
5-yr DFS rate (%)2	97.5 (78/80)	96.25 (77/80)		1.000
OS time (mo)1	99.65 ± 2.30	115.26 ± 4.59	0.081	0.776
5-yr OS rate (%)2	98.75 (79/80)	98.75 (79/80)		1.000

¹Log-rank test;

²Fisher’s exact test. LR: Laparoscopic resection; OR: Open resection; PSM: Propensity score matching; DFS: Disease-free survival; OS: Overall survival.