Table 2 Demographic and clinical characteristics of study populations.
Characteristic | IANR ≥ 37(n = 134) | IANR<37(n = 34) | t/χ2 | P |
|---|---|---|---|---|
Male/Female(n) | 107/27 | 26/8 | 0.039 | 0.844 |
Age(\(\:\stackrel{-}{x}\)±s, years) | 57.3 ± 11.1 | 66.1 ± 11.1 | 4.135 | 0.000 |
Smoking history(%) | 36(26.9) | 5(14.7) | 1.564 | 0.211 |
Drinking history(%) | 30(22.4) | 4(11.8) | 1.295 | 0.255 |
Hypertension(%) | 41(30.6) | 15(44.1) | 1.664 | 0.197 |
Diabetes(%) | 15(11.2) | 9(26.5) | 3.996 | 0.046 |
Cardiovascular disease(%) | 13(9.7) | 8(23.5) | 3.561 | 0.059 |
Traumatic brain injury(%) | 5(14.7) | 8(6.0) | 1.804 | 0.179 |
Injury site(%) | Â | Â | 3.268 | 0.195 |
C1-4 | 43(32.1) | 13(38.2) | Â | Â |
C5-T1 | 22(16.4) | 9(26.5) | Â | Â |
C1-T1 | 69(51.5) | 12(35.3) | Â | Â |
Treatment(%) | Â | Â | 8.374 | 0.039 |
Anterior approach | 45(33.6) | 7(20.6) | Â | Â |
Posterior approach surgery | 55(41.0) | 20(58.8) | Â | Â |
Anterior&Posterior approach | 3(2.2) | 3(8.8) | Â | Â |
Conservative treatment | 31(23.1) | 4(11.8) | Â | Â |
