Table 2 Comparison of baseline data

Gender(male/female)

63(86.3)/10(13.7)

22(75.9)/7(24.1)

0.255^a

Age(years)

61(21)[19–83]

59(46)[33–86]

0.450^d

History of surgery/trauma(yes/no)

19(26.0)/54(74.0)

3(10.3)/26(89.7)

0.141^c

History of anti-thrombotic medication(yes/no)

15(20.5)/58(79.5)

6(20.7)/23(79.3)

1.000^c

Rockall score

5(3)[1–9]

5(3)[1–8]

0.337^d

Bleeding site

1.000^b

 Cardia

3(4.1)

1(3.4)

\

 Stomach

29(39.7)

12(41.4)

\

 Duodenum

32(43.8)

12(41.4)

\

 Multiple-site bleeding

4(5.5)

2(6.9)

\

 No active bleeding

5(6.8)

2(6.9)

\

Intervals between bleeding to TAE(day)

6(10.5)[0–46]

12(21)[0–50]

0.081^d

Angiography result(negative/positive)

55(75.3)/18(24.7)

20(69.0)/9(31.0)

0.510^a

Preoperative blood transfusion(U)

4(8)[0–75.5]

3(6.25)[0–35.5]

0.307^d

Preoperative hemoglobin(g/L)

^f65.5(16.7)[16–98]

^f68.6(22.2)[29–114]

0.473^e

Preoperative WBC(10^9)

^f8.8(3.8)[2.4–19.1]

^f10.4(5.7)[4.17–24.73]

0.275^e

Preoperative albumin(g/L)

^f29.1(5.8)[16.0–42.7]

^f28.0(8.5)[13–43.5]

0.620^e

Coagulopathy(yes/no)

30(41.1)/43(58.9)

10(34.5)/19(65.5)

0.539^a

Embolic agents

0.589^b

 Coils

38(52.1)

20(69.0)

\

 N-butyl cyanoacrylate

7(9.5)

1(3.4)

\

 PVA granules

1(1.4)

0

\

 Coil and PVA granules

3(4.1)

2(6.9)

\

 Coils and N-butyl cyanoacrylate

23(31.5)

6(20.7)

\

 Coils and gelfoam sponge

1(1.4)

0

\

Forrest Classification

0.226^b

 Ia

11(15.1)

2(6.9)

\

 Ib

33(45.2)

10(34.5)

\

 IIa

12(16.4)

7(24.1)

\

 IIb

14(19.2)

6(20.7)

\

 IIc

2(2.7)

4(13.8)

\

 III

1(1.4)

0

\

Ulcers’ long diameter(cm)

0.331^b

 0 ~ 1

29(39.7)

8(27.6)

\

 1 ~ 2

27(37.0)

10(34.5)

\

 > 2

17(23.3)

11(37.9)

\