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Table 1 The characteristics of included studies

From: The efficacy of topical tranexamic acid in total hip arthroplasty: a meta-analysis

Study (year)

Study type

No. IA vs IV

Age: IA vs IV

TXA group

Transfusion criteria

Thromboprophylaxis

Level of evidence

Alshryda 2013 [22]

RCT

80/81

66/63

1 g

Hb <70 g/l

LMWH

A

BagsBy 2014 [24]

nRCT

91/90

61.4/61.9

1 g

Hb <70 g/l

Warfarin/Asprin

B

Chang 2014 [14]

nRCT

154/234

57.2/56.7

3 g

Hb <100 g/l

--

B

Ding 2014 [23]

nRCT

30/30

60/61

3 g

Hb <80 g/l

--

B

Fan 2014 [15]

RCT

55/44

66.0/66.5

2 g

Hb <70 g/l

Physical

A

Gilbody 2014 [16]

nRCT

86/88

64/65

3 g

Hb <80 g/l

enoxaparin

B

Konig G 2013 [17]

nRCT

91/40

60/59

3 g

Hb <80 g/l

--

B

Machin 2014 [26]

nRCT

50/100

61/67.5

0.5 g

Hb <80 g/l

dabigatran

B

Martin JG 2014 [25]

RCT

25/25

63.9/63.0

2 g

Hb <70 g/l

Physical

A

Van Elst CE 2013 [18]

RCT

30/30

67.1/66.5

3 g

Hb <100 g/l

LMWH

A

Wei 2014 [19]

RCT

102/100

60.2/63.9

3 g

Hb <90 g/l

LMWH

A

Wind 2014 [27]

nRCT

70/1047

65/60

--

Hb <80 g/l

--

C

Yin 2014 [20]

RCT

30/30

50/53

2 g

Hb < 70 g/l

LMWH

A

Yue C 2014 [21]

RCT

52/49

60.9/63.7

3 g

Hb <70 g/l

LWMH

A