All the patients with a number of involved levels ≤2 [ Table 1 ] reported a stable or improved clinical outcome at follow-up but this data did not reach statistical significance on the analysis ( P = 0.05).
1
0.0500
0.0500
All the patients with a number of involved levels ≤2 [ Table 1 ] reported a stable or improved clinical outcome at follow-up but this data did not reach statistical significance on the analysis ( P = 0.05).