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. 2021 Oct 15;13(10):11461–11471.

Table 1.

Comparison of general data (x̅ ± sd)

Item Good recovery group (n = 47) Poor recovery group (n = 48) t/χ2/H P
Gender (male/female) 28/19 30/18 0.092 0.769
Age (year) 54.2±9.0 54.3±9.5 0.020 0.984
Course of disease (day) 6.96±1.14 7.01±1.07 0.221 0.826
JOA scale (scores)
    Before surgery 10.52±1.92 8.55±2.20 4.779 0.000
    After surgery 14.37±2.15 9.65±2.42 10.028 0.000
Surgical approach (n, %) 0.437 0.804
    Anterior 18 (38.30) 19 (39.58)
    Posterior 22 (46.81) 24 (50.00)
    Anterior + posterior 7 (14.89) 5 (10.42)
Time for surgery (h) 2.44±0.58 2.51±0.51 0.625 0.534
Cases for the most damaged segment (n, %) 0.466 0.923
    C3-4 5 (10.64) 7 (14.58)
    C4-5 17 (36.17) 18 (37.50)
    C5-6 19 (40.42) 17 (35.42)
    C6-7 6 (12.77) 6 (18.75)

Note: JOA: Japanese Orthopaedic Association.