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.