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Table 1 Association between tumor growth patterns and clinicopathological features

From: Prognostic analysis of 2–5 cm diameter gastric stromal tumors with exogenous or endogenous growth

Characteristics

Exogenous (n = 375)

Endogenous (n = 121)

p-value

Age (%)

  

0.023

  ≤ 65

270 (76.1)

75 (61.9)

 

  > 65

105 (23.9)

46 (38.1)

 

Gender (%)

  

0.987

 Female

210 (43.5)

67 (55.4)

 

 Male

165 (56.5)

54 (44.6)

 

Rupture (%)

  

0.001

 No

370 (94.1)

120 (99.2)

 

 Yes

5 (5.9)

1 (0.8)

 

Tumor site (%)

  

0.013

 Small bend

130 (34.7)

38 (31.4)

 

 Large bend

156 (41.6)

60 (49.6)

 

 Fundus

89 (23.7)

23 (19.0)

 

Tumor size (%)

  

0.002

  < 5 cm

37 (9.8)

11 (9.1)

 

 2–5 cm

192 (51.2)

83 (68.6)

 

  > 5 cm

146 (39.0)

27 (22.3)

 

Mitotic index (%)

  

0.403

  ≤ 5/HPF

268 (71.5)

92 (76.0)

 

  > 5/HPF

107 (28.5)

29 (24.0)

 

NIH risk grade (%)

  

0.057

 Extremely low or low

189 (50.4)

76 (62.8)

 

 Moderate or high

186 (49.6)

45 (37.2)

 

CD117 (%)

  

0.775

 ( −) or ( +)

103 (27.5)

29 (24.0)

 

 (+ +) or (+ + +)

272 (72.5)

95 (76.0)

 

CD34 (%)

  

0.696

 ( −) or ( +)

69 (18.4)

12 (10.0)

 

 (+ +) or (+ + +)

306 (81.6)

109 (90.0)

 

Surgical history (%)

308 (82.1)

95 (78.5)

0.451

HB (X̄)

127

124

0.124

ALB (X̄)

40.4

39.95

0.172

Adjuvant imatinib (%)

279 (74.4)

87 (72.0)

0.671

Basic disease (%)

215 (57.3)

68 (56.2)

0.909

Resection style (%)

  

0.026

 Mesenchymal resection

331 (88.3)

96 (79.3)

 

 Distal gastrectomy

14 (3.7)

12 (10.0)

 

 Proximal gastrectomy

18 (4.8)

10 (8.3)

 

 Total gastrectomy

12 (3.2)

3 (2.4)

 

Surgery time (min)

120

115

0.884

Intraoperative bleeding(ml)

50

50

0.030