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TABLE 4: Number of vertebral bodies with extravasation by compartment
Compartment Group 1 Group 2 P Value
Epidural 7 10 .33
Paravertebral 7 7 >.99
Prevertebral 3 4 .34
Intervertebral disk space 9 13 .4
Compartment	Group 1	Group 2	P Value
Epidural	7	10	.33
Paravertebral	7	7	>.99
Prevertebral	3	4	.34
Intervertebral disk space	9	13	.4