Table 1.
Risk of bias assessment of the included studies.
Table 2.
Characteristics of the included trials.
Table 3.
Comparison of baseline characteristics between the unilateral fixation group and bilateral fixation group.
Figure 1.
Forest plot illustrating postoperative VAS, JOA, and ODI score of meta-analysis comparing unilateral with bilateral PS fixation in TLIF.
Figure 2.
Forest plot illustrating non-union rate, complication rate, and reoperation rate of meta-analysis comparing unilateral with bilateral PS fixation in TLIF.
Figure 3.
Forest plot illustrating operative time, blood loss, and hospital stay of meta-analysis comparing unilateral with bilateral PS fixation in TLIF.
Figure 4.
Funnel plot of total complication rate.