Table 5 Patient demographics in cervical spinal cord injury without bone injury.
Before PSM | After PSM | |||||
|---|---|---|---|---|---|---|
OPLL (N = 211) | Non-OPLL (N = 403) | p-value | OPLL (N = 176) | Non-OPLL (N = 176) | p-value | |
Age (yrs.) | 74.4 ± 6.6 | 75.9 ± 6.7 | 0.008 | 74.3 ± 6.1 | 74.8 ± 6.7 | 0.46 |
Sex (%) | ||||||
Men | 166 (78.7) | 275 (68.2) | 0.006 | 136 (77.3) | 129 (73.3) | 0.46 |
Women | 45 (21.3) | 128 (31.8) | 40 (22.7) | 47 (26.7) | ||
BMI (m/kg2) | 22.8 ± 4.2 | 22.0 ± 4.0 | 0.020 | 22.6 ± 4.2 | 22.4 ± 3.7 | 0.58 |
Smoking history (%) | 61 (44.9) | 75 (30.4) | 0.005 | 53 (45.7) | 42 (36.8) | 0.18 |
Diabetes mellitus (%) | 60 (29.0) | 112 (28.4) | 0.92 | 52 (29.5) | 49 (27.8) | 0.81 |
Dementia (%) | 6 (2.9) | 22 (5.6) | 0.16 | 4 (2.3) | 6 (3.4) | 0.75 |
Independent walker (%) | 188 (90.4) | 352 (88.2) | 0.50 | 161 (91.5) | 161 (91.5) | 1 |
Low energy trauma | 114 (54.8) | 211 (52.5) | 0.61 | 93 (52.8) | 94 (53.4) | 1 |
Signal intensity change on MRI (%) | 179 (87.3) | 327 (82.6) | 0.16 | 152 (86.4) | 160 (90.9) | 0.24 |
Surgical treatment (%) | 130 (61.6) | 178 (44.2) | < 0.001 | 109 (61.9) | 122 (69.3) | 0.18 |
