Table 3 Odds ratio of greater blockade at 30 min

 None vs partial

9.70 (2.40, 39.22)

< 0.01*

6.32 (1.56, 25.65)

< 0.01

 None vs complete

6.73 (1.82, 24.87)

< 0.01*

4.57 (1.21, 17.21)

0.02

 None vs partial + complete

7.70 (2.17, 27.26)

< 0.01*

6.46 (1.77, 23.58)

< 0.01*

 None vs partial

1.63 (0.51, 5.20)

0.41

1.75 (0.54, 5.65)

0.35

 None vs complete

1.82 (0.69, 4.75)

0.22

2.04 (0.74, 5.60)

0.17

 None vs partial + complete

1.76 (0.71, 4.33)

0.22

1.92 (0.75, 4.89)

0.17

 None vs partial

32.02 (6.73, 152.34)

< 0.01*

20.81 (4.38, 98.77)

< 0.01*

 None vs complete

13.49 (3.22, 56.62)

< 0.01*

9.08 (2.09, 39.47)

< 0.01*

 None vs partial + complete

17.71 (4.35, 72.22)

< 0.01*

14.53 (3.43, 61.58)

< 0.01*