Table 4 Clinical quality accuracy of pedicle screws
Level treated | Grade 0 | Grade 1 | Grade 2 | Grade 3 | Accuracy rate (Grade 0 and 1) |
|---|---|---|---|---|---|
NM-TLIF (n = 112) | |||||
L3 | 2 | 2 (100%) | |||
L4 | 35 | 2 | 1 | 37 (97.4%) | |
L5 | 48 | 4 | 2 | 52 (96.3%) | |
S1 | 15 | 3 | 18 (100%) | ||
Total | 100 | 9 | 3 | 109 (97.3%)* | |
N-TLIF (n = 104) | |||||
L3 | 3 | 1 | 4 (100%) | ||
L4 | 36 | 1 | 1 | 37 (97.4%) | |
L5 | 43 | 3 | 2 | 46 (95.8%) | |
S1 | 12 | 1 | 1 | 13 (92.9%) | |
Total | 94 | 6 | 4 | 100 (96.2%)* | |
P Value* | 0.713 | ||||