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Table 6 Comparison of JOA scores

From: Effect of manual reduction and indirect decompression on thoracolumbar burst fracture: a comparison study

JOA scores Experimental group Control group t/t' P
Subjective symptoms
 Preoperation 0.69 ± 0.05 0.71 ± 0.02 0.472 0.846
 3 days after operation 3.61 ± 0.82* 3.01 ± 0.63* 0.562 0.793
t = 3.636, P < 0.05 t = 3.586 P < 0.05
 Last follow-up 8.31 ± 0.32* 7.75 ± 0.90* 0.592 0.771
t = 4.543, P < 0.05 t = 4.562, P < 0.05
Clinical signs
 Preoperation 4.23 ± 1.01 4.21 ± 1.03 0.381 0.996
 3 days after operation 5.42 ± 0.38* 5.07 ± 0.84* 0.672 0.702
t = 3.072, P < 0.05 t = 3.062, P < 0.05
 Last follow-up 5.53 ± 0.47* 5.39 ± 0.53* 0.432 0.853
t = 4.252, P < 0.05 t = 4.322, P < 0.05
Daily activity limitation
 Preoperation 5.07 ± 1.98 5.05 ± 1.95 0.390 0.931
 3 days after operation 8.47 ± 2.96* 8.04 ± 2.37* 0.424 0.858
t = 3.241, P < 0.05 t = 3.211, P < 0.05
 Last follow-up 12.73 ± 1.25*
t = 4.562, P < 0.05
12.02 ± 1.46*
t = 4.886, P < 0.05
0.521 0.799
Bladder function
 Preoperation − 4.59 ± 1.82 − 4.63 ± 1.21 0.411 0.864
 3 days after operation − 0.74 ± 0.06* − 1.02 ± 0.42* 5.213 0.011*
t = 4.901, P < 0.05 t = 3.021, P < 0.05
 Last follow-up − 0.29 ± 0.02* − 0.31 ± 0.05* 0.872 0.056
t = 5.625, P < 0.05 t = 4.952, P < 0.05
  1. Values are mean ± SD
  2. *Statistically significant