Table 2
Operative Levels.
Variable
Number of Levels Implanted Per Patient
Value (N = 470)
1 Level
2 Level
298 (63.4)
172 (36.6)
Total Levels Implanted
Value (N = 642)
L1-2
L2-3
L3-4
L4-5
L5-S1
1 (0.2)
27 (4.1)
114 (17.5)
319 (48.9)
181 (27.7)