| Group A (N = 31) | Group B (N = 36) | P value |
---|---|---|---|
Gender (M/F) | 19/12 | 22/14 | 0.99 |
Age (years) | 44.4 ± 6.7 | 44.8 ± 6.3 | 0.69 |
Blood loss (ml) | 447 ± 55 | 589 ± 86 |  < 0.01 |
Operation time (min) | 177 ± 18 | 208 ± 17 |  < 0.01 |
Duration of follow-up (months) | 77.8 ± 10.5 | 80.9 ± 10.0 | 0.22 |
Fusion time (months) | 5.4 ± 1.0 | 5.2 ± 0.9 | 0.55 |
VAS | Â | Â | Â |
Pre | 7.1 ± 0.7 | 7.2 ± 0.6 | 0.27 |
Post | 2.1 ± 0.6 | 2.0 ± 0.7 | 0.54 |
FFU | 0.4 ± 0.5 | 0.5 ± 0.5 | 0.36 |
ESR(mm/h) | Â | Â | Â |
Pre | 84.2 ± 20.7 | 83.7 ± 17.2 | 0.92 |
TMP | 9.0 ± 1.8 | 8.9 ± 1.5 | 0.49 |
CRP(mg/l) | Â | Â | Â |
Pre | 52.9 ± 14.7 | 51.4 ± 15.1 | 0.66 |
TMP | 4.8 ± 1.2 | 5.0 ± 1.1 | 0.79 |