Table 3

Surgery Levels.

All patients
Index Level(s)n (%) of pts
L4/L512 (14.5%)
L5/S137 (44.6%)
L2/L3; L3/L4*1 (1.2%)
L3/L4; L4/L55 (6.0 %)
L3/L4; L5/S11(1.2%)
L4/L5; L5/S123 (27.7%)
L3/L4; L4/L5; L5/S1*4 (4.8%)
  • * Although the IFU for the M6-L device indicates implantation of the device at 1 or 2 levels from L3 – S1, the decision to implant the device at L2/3 was made for 1 patient and the decision to implant at 3 levels was made for 4 patients.