Table 2 Arterial access characteristics/technique

 Left

72

69

Left (n = 141, Cx in 5.7%) vs right groin (n = 178, Cx in 6.7%)

p = 0.696

 Right

95

83

 Unrecorded

1

 Junior radiology trainee

16

16

Junior (n = 32, Cx in 0.0%) vs senior operator (n = 287, Cx in 7.0%) (fellow or consultant)

p = 0.240

 Interventional radiology fellow

132

116

 Consultant

20

19

 Unrecorded

0

1

 Retrograde

118

124

Retrograde (n = 242, Cx in 4.6%) vs antegrade (n = 78, Cx in 11.5%) puncture

p = 0.027

 Antegrade

50

28

 External Iliac Artery

1

1

 CFA

161

144

CFA (n = 305, Cx in 6.2%) vs SFA (n = 13, Cx in 7.1%)

p = 0.604

 SFA

6

7

 1

142

130

Single (n = 272, Cx in 5.5%) vs multiple (n = 48, Cx in 10.4%) passes

p = 0.200

  > 1

26

22

Vessel calcification: Nil

43:125

72:80

Calcified (n = 115, Cx in 8.7%) vs non-calcified (n = 205, Cx in 4.9%)

p = 0.176

Scarred groin: Nil

14:154

39:113

Scarred (n = 53, Cx in 5.7%) vs non scarred (n = 267, Cx in 6.4%)

p > 0.999

 Raised BMI: normal/low

57:111

37:114

Raised (n = 94, Cx in 5.3%) vs normal BMI (n = 225, Cx in 6.7%)

p = 0.651

 Unrecorded

1

 Manual palpation

45

6

Manual palpation (n = 51, Cx in 2.0%) vs image guided (n = 269, Cx in 7.1%)

p = 0.219

 Fluoroscopic guidance

9

7

 Ultrasound

62

81

 Combination

52

58

Anticoagulation during procedure

2 unavailable

4 unavailable

 Nil

104

46

Anticoagulation (n = 164, Cx in 7.9%) vs none (n = 150, Cx in 3.3%)

p = 0.093

 Intra-arterial heparin (3–5000 Units)

62

102

 Manual compression

163

87

Manual compression (n = 250, Cx in 6.4%) vs closure / compression device (n = 68, Cx in 5.8%)

p = > 0.999

 Angioseal

4

54

 Exoseal

1

5

 Additional femstop

0

3

 Other (unrecorded) vascular closure device

0

1

 Vascular sheath left in-situ

0

1

 Unrecorded

1