Table 2 Comparison of the incidence of contralateral root symptoms after unilateral TLIF in four groups
Data/Group | Group A1 | Group A2 | Group A3 | Group A4 | P Value |
|---|---|---|---|---|---|
Number | 42 | 57 | 51 | 37 | — |
Number of patients | 0 | 2 | 4 | 10 | — |
Incidence of PRS(%) | 0(0/42) | 3.51(2/57) | 7.84(4/51) | 27.03(10/37) | ＜0.001 |