Retrospective Cohort Study
Copyright ©The Author(s) 2024.
World J Orthop. Oct 18, 2024; 15(10): 939-949
Published online Oct 18, 2024. doi: 10.5312/wjo.v15.i10.939
Table 1 Demographic data, n (%)
Category
CT/MRI registration group (n = 71)
Control group (n = 64)
P value
Sex
        Male34 (48)38 (59)
        Female37 (52)26 (41)0.182
Age, mean ± SD, year55.54 ± 14.5059.14 ± 12.530.126
Side
        Right27 (38)23 (36)
        Left34 (48)31 (48)
        Bilateral10 (14)10 (16)0.953
Level
        L3/45 (7)4 (6)
        L4/530 (42)40 (63)
        L5/S136 (51)20 (31)0.056
Table 2 Primary and secondary outcomes
Outcome
The CT/MRI registration group (n = 71)
The control group (n = 64)
Mean difference
P value
Surgery time (minute)90.39 ± 12.7198.22 ± 19.92-7.820.007
Hospital stay (day)6.59 ± 3.298.19 ± 6.70-1.600.077
VAS leg pain preoperative8.10 ± 0.748.13 ± 0.68-0.030.830
VAS leg pain postoperative 2 months2.34 ± 0.83a2.94 ± 1.13a-0.60< 0.001
VAS low back pain preoperative3.79 ± 1.223.95 ± 1.42-0.160.470
VAS low back pain postoperative 2 months1.69 ± 1.02a2.33 ± 1.21a-0.640.001
JOA preoperative10.92 ± 2.2111.30 ± 1.91-0.380.287
JOA postoperative 2 months24.27 ± 2.81a22.58 ± 3.79a1.690.004