Table 3
Operative Information
BAK (32)
SAC (41)
p value
Operative Time (min)
170.7
160.5
0.37
Estimated Blood Loss (cc)
182.8
185.7
0.94
Surgery at L4-L5
20
17
0.075
Surgery at L5-S1
20
34
0.048
Surgery at L4-S1
8
10
0.95