Table 5 Comparisons of clinical outcomes between proximal vs distal and combined embolization in 1st and 2nd study sets

Success rate

1st

P vs D

91.4 (444/486) vs 87.7 (213/243)

0.11^a

1.49 (0.91–2.45)

P vs P + D

91.4 (444/486) vs 86.4 (38/44)

0.27^a

1.67 (0.67–4.18)

2nd

P vs D

85.0 (122/142) vs 82.3 (108/131)

0.52^a

1.28 (0.61–2.67)

P vs P + D

86.7 (104/120) vs 72.2 (13/18)

0.11^a

2.56 (0.81–8.05)

Severe complication

1st

P vs D

10.7 (50/466) vs 30.7 (67/218)

<0.01^a

0.27 (0.18–0.41)

P vs P + D

10.7 (50/466) vs 35.6 (16/45)

<0.01^a

0.22 (0.11–0.43)

2nd

P vs D

18.2 (24/132) vs 28.7 (31/108)

0.05

0.51 (0.26–1.00)

P vs P + D

20.2 (23/114) vs 58.8 (10/17)

0.00

0.10 (0.03–0.36)

DC III

1st

P vs D

7.3 (32/438) vs 13.0 (28/216)

0.02^a

0.53 (0.31–0.90)

P vs P + D

7.3 (32/438) vs 10.3 (4/39)

0.52^b

0.69 (0.23–2.06)

2nd

P vs D

9.9 (13/131) vs 20.0 (21/105)

0.07

0.49 (0.22–1.06)

P vs P + D

10.8 (10/93) vs 23.1 (3/13)

0.16

0.37 (0.09–1.50)