Table 2 The clinicopathological data of the patients who underwent LLR and RLR for primary duodenal GIST

Gender

0.68

 Male

10(43.5%)

6(50.0%)

4(36.4%)

 Female

13(56.5%)

6(50.0%)

7(63.6%)

Age

57.57±9.15

55.5±11.74

59.82±4.71

0.268

Presentation

0.3

 GI hemorrhage

12(52.2%)

7(58.3%)

5(45.5%)

 Abdominal pain

2(8.7%)

0(0.0%)

2(18.2%)

 Incidental finding

9(39.1%)

5(41.7%)

4(36.4%)

Tumor diameter

4(2-8)

4.25(2.5-8)

4(2-7)

0.615

Tumor location

0.152

 1^st part of duodenum

5(21.7%)

4(33.3%)

1(9.1%)

 2^nd part of duodenum

12(52.2%)

4(33.3%)

8(72.7%)

 3^rd part of duodenum

6(26.1%)

4(33.3%)

2(18.2%)

 4^th part of duodenum

0(0.0%)

0(0.0%)

0(0.0%)

Histologic type

0.317

 Spindle cell

18(78.3%)

8(66.7%)

10(90.9%)

 Mixed type

5(21.7%)

4(33.3%)

1(9.1%)

Mitotic count/50 HPF

1

 ≤5/50 HPF

22(95.7%)

11(91.7%)

11(100.0%)

 >5/50 HPF

1(4.3%)

1(8.3%)

0(0.0%)

CD117

-

 Positive

23(100.0%)

12(100.0%)

11(100.0%)

 Negative

0(0.0%)

0(0.0%)

0(0.0%)

CD34

0.317

 Positive

19(82.6%)

11(91.7%)

8(72.7%)

 Negative

4(17.4%)

1(8.3%)

3(27.3%)

Risk NIH classification

0.51

 Very low risk

0(0.0%)

0(0.0%)

0(0.0%)

 Low risk

19(82.6%)

10(83.3%)

9(81.8%)

 Intermediate risk

3(13.0%)

1(8.3%)

2(18.2%)

 High risk

1(4.3%)

1(8.3%)

0(0.0%)