Clinical features of multiple gastrointestinal stromal tumors: A pooling analysis combined with evidence and gap map

Table 3 Perioperative information and follow-up results of patients with multiple gastrointestinal stromal tumors, n (%)

	PKUPH patients, n = 121	Literature-based patients, n = 1611	Total patients, n = 1731
Preoperative I.E.	n = 12	n = 29	n = 41
CT	12 (100.00)	19 (65.52)	31 (75.61)
MRI	2 (16.67)	2 (6.90)	4 (9.76)
Endoscopy	6 (50.00)	21 (72.41)	27 (65.85)
Approach	n = 12	n = 25	n = 37
Laparotomy	5 (41.67)	18 (72.00)	23 (62.16)
Laparoscopy	7 (58.33)	7 (28.00)	14 (37.84)
Excision Extension	n = 12	n = 30	n = 42
Radical resection	9 (75.00)	22 (73.33)	31 (73.81)
Palliative resection	3 (25.00)	8 (26.67)	11 (26.19)
Imatinib	n = 12	n = 37	n = 49
Apply	7 (58.33)	25 (67.57)	32 (65.31)
Not apply	5 (41.67)	12 (32.43)	17 (34.70)
Follow-up time in mo	n = 12	n = 114	n = 126
Range	3-86	3-396	3-396
Mean (SD)	33.75 (27.28)	83.01 (82.26)	78.32 (79.96)
Outcome	n = 12	n = 123	n = 135
ANED	12 (100.00)	77 (62.60)	89 (65.93)
AWD	0 (0.00)	21 (17.07)	21 (15.56)
ATSU	0 (0.00)	2 (1.63)	2 (1.48)
DOD	0 (0.00)	7 (5.69)	7 (5.19)
DUC	0 (0.00)	9 (7.32)	9 (6.67)
DOPC	0 (0.00)	2 (1.63)	2 (1.48)
DUNC	0 (0.00)	5 (4.07)	5 (3.70)
Recurrence	0/12 (0.00)	3/123 (2.44)	3/135 (2.22)
Metastasis	n = 12	n = 123	n = 135
Lymph node	0 (0.00)	5 (4.07)	5 (3.70)
Liver	0 (0.00)	8 (6.50)	8 (5.93)
Peritoneum	0 (0.00)	9 (7.32)	9 (6.67)
Lung	0 (0.00)	1 (0.76)	1 (0.74)
Abdomen	0 (0.00)	1 (0.76)	1 (0.74)
Omentum	0 (0.00)	1 (0.76)	1 (0.74)

¹n For total number of patients, other n for number of patients with relevant data. CT: Computed tomography; I.E.: Imaging examinations; MRI: Magnetic resonance imaging; PKUPH: Peking University People’s Hospital; SD: Standard deviation.