Endoscopic vs laparoscopic resection for gastric gastrointestinal stromal tumors: Oncological outcomes

Table 1 Comparison of baseline characteristics between the two groups

Variable	Pre-matching		P value	Post-matching		P value
	Endoscopic (n = 50)	Laparoscopic (n = 73)		Endoscopic (n = 45)	Laparoscopic (n = 45)
Demographic data
Age (years)	57.9 ± 10.1	59.8 ± 9.7	0.285	58.5 ± 9.8	58.9 ± 10.2	0.841
Gender (male)	28 (56.0)	40 (54.8)	0.892	25 (55.6)	24 (53.3)	0.829
BMI (kg/m2)	23.8 ± 2.9	24.3 ± 3.1	0.341	24.0 ± 2.8	24.1 ± 3.0	0.867
Tumor characteristics
Tumor size (cm)	2.8 (2.0-3.8)	4.3 (3.0-5.8)	< 0.001	3.5 (2.6-4.4)	3.6 (2.7-4.5)	0.723
Mitotic count (/50 HPF)	2 (1-4)	4 (2-6)	0.003	3 (1-5)	3 (2-5)	0.435
NIH risk stratification
Very low/low risk	35 (70.0)	38 (52.1)	0.009	28 (62.2)	26 (57.8)	0.654
Intermediate risk	15 (30.0)	35 (47.9)		17 (37.8)	19 (42.2)
Tumor location
Favorable sites	38 (76.0)	30 (41.1)	< 0.001	23 (51.1)	23 (51.1)	1
Unfavorable sites	12 (24.0)	43 (58.9)		22 (48.9)	22 (48.9)
Growth pattern
Intraluminal	35 (70.0)	35 (47.9)	0.002	25 (55.6)	23 (51.1)	0.832
Exophytic	15 (30.0)	38 (52.1)		20 (44.4)	22 (48.9)

Data were showed as n (%) or mean ± SD or median (interquartile range). BMI: Body mass index; NIH: National Institutes of Health; HPF: High-power field.