Laparoscopic management of gastric gastrointestinal stromal tumors: A retrospective 10-year single-center experience

Table 1 Clinical and pathological characteristics

Characteristics
Age (yr)	54.09 ± 12.53
Male/female	92/106
Tumor location
Favorable	81 (39.1)
Unfavorable	126 (60.9)
Tumor size (cm)	3.28 ± 1.82
Risk1
Very low	38 (22.2)
Low	57 (33.5)
Intermediate	51 (30.2)
High	24 (14.1)
Application of endoscopy during surgery	27 (13.0)
Conversion	0
Tumor rupture during surgery	3 (1.58)
Tumor resection margin R0	100%
Operative time (min)	80.74 ± 38.96
Estimated blood loss (mL)	28.17 ± 44.99
Postoperative exhaust time	2.537 ± 0.88
Time to liquid diet (d)	2.91 ± 1.70
Length of postoperative stay (d)	6.10 ± 2.99
Classification of postoperative complications2
Grade 1	3 (0.17)
Grade 2	6 (0.34)

¹Fletcher’s criteria (2002);

²Clavien–Dindo classification. Data are presented as n (%) or mean ± SD.

Table 2 Comparison between favorable gastrointestinal stromal tumor location and unfavorable gastrointestinal stromal tumor location

	Unfavorable area	Favorable area	P value
Age (yr)	54.29 ± 12.29	55.59 ± 12.4	0.486
BMI	22.37 ± 3.28	23.17 ± 3.01	0.100
Tumor size (cm)	3.37 ± 1.85	4.07 ± 2.23	0.020
Operative time (min)	83.86 ± 44.41	80.77 ± 36.46	0.627
Estimated blood loss (mL)	27.74 ± 45.2	29.59 ± 41.18	0.780
Conversion	0	0
Application of endoscopy during surgery	23 (20.72)	4 (5.63)	0.005
Tumor rupture during surgery	1 (0.90)	2 (2.82)	0.322
Postoperative complications	4 (3.74)	5 (7.04)	0.325
Postoperative exhaust time	2.64 ± 0.9	2.54 ± 0.86	0.452
Time to liquid diet (d)	3.05 ± 1.62	2.89 ± 1.79	0.516
Time to semiliquid diet (d)	4.17 ± 1.75	3.92 ± 1.83	0.345
Postoperative hospital stay (d)	7.17 ± 4.1	5.69 ± 2.46	0.007
Recurrence	3 (3.03)	0 (0.00)	0.447
5-yr overall survival rate	98 (98.99)	61 (98.39)	0.623

BMI: Body mass index. Data are presented as n (%) or mean ± SD.