After propensity matching, baseline characteristics were comparable between the cohorts with the exception of a marginally statistically significant worse SF-36 PCS among patients with CS (31.5 ± 9.8 vs 34.5 ± 8.4, P = .04) ( Table 3 ).
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The Influence of Cervical Spondylolisthesis on Clinical Presentation and Surgical Outcome in Patients With DCM: Analysis of a Multicenter Global Cohort of 458 Patients.
3
0.0400
0.1000
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tendency toward significanceP ≤ .10
Statistical significance was considered at P ≤ .05 and tendency toward significance was considered at .05 < P ≤ .10.
However, while mean differences in surgical outcome based on the NDI (8.1 ± 20.2 vs 12.8 ± 18.9, P = .11), SF-36 PCS (4.1 ± 11.2 vs 6.1 ± 10.8, P = .22) and MCS 3.6 ± 15.2 vs 7.0 ± 14.0, P = .10) were on average lower for patients with spondylolisthesis, these did not reach statistical significance.