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Table 1 Comparisons of intraoperative blood loss, operative time and JOA scores among three groups

From: Comparisons of three anterior cervical surgeries in treating cervical spondylotic myelopathy

  Intraoperative blood loss Operative time Preoperative JOA score Postoperative JOA score JOA recovey rate
Group A 94.79 ± 14.33 109.79 ± 18.97 9.54 ± 0.88* 13.96 ± 1.52* 0.60 ± 0.18
Group B 93.33 ± 13.05 125.00 ± 18.13 9.33 ± 1.18* 14.07 ± 1.79* 0.62 ± 0.21
Group C 91.59 ± 15.77 116.59 ± 20.49 9.27 ± 0.83* 14.00 ± 1.19* 0.62 ± 0.16
F value 0.277 2.871 0.506 0.024 0.053
P value 0.759 0.065 0.605 0.976 0.949
  1. Means ± standard deviation.
  2. *The differences of their postoperative JOA scores and preoperative JOA scores were of statistical significance (P A = 0.000, P B = 0.000, P C = 0.000, P < 0.01).