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Table 2 Clinical outcomes of the two groups

From: Staged correction trajectory with hexapod external fixator for the satisfactory reduction of long bone shaft fracture

  Group I Group II t/χ2 p value
Residual deformities before correction
 T1(mm) 9.6 ± 5.6 8.5 ± 5.2 0.745 0.459
 A1(°) 5.5 ± 2.5 5.1 ± 3.3 0.596 0.553
 T2(mm) 8.3 ± 3.3 8.9 ± 5.1 −0.505 0.616
 A2(°) 3.8 ± 1.9 4.4 ± 2.1 −1.204 0.234
Residual deformities after correction
 T1(mm) 1.8 ± 1.3 1.2 ± 1.1 1.748 0.086
  A1(°) 0.7 ± 0.8 0.6 ± 0.8 0.720 0.475
 T2(mm) 1.2 ± 1.1 0.9 ± 1.3 0.859 0.394
  A2(°) 0.8 ± 0.9 0.7 ± 0.9 0.777 0.441
N (time) 2.3 ± 1.0 1.3 ± 0.5 4.572 P < 0.001
Duration of deformity correction (day) 5.1 ± 1.9 2.9 ± 1.1 4.914 P < 0.001
External fixation time (week) 27.9 ± 4.9 27.2 ± 1.9 0.543 0.589
Follow-up (month) 18.3 ± 3.7 17.5 ± 4.7 0.699 0.488
Johner-Wruhs criteria
 Excellent 23 19 0.212 1.000
 Good 6 5
 Moderate 2 2
 Poor 0 0
  1. T1: Residual translation in the coronal plane
  2. A1: Residual angulation in the coronal plane
  3. T2: Residual translation in the sagittal plane
  4. A2: Residual angulation in the sagittal plane
  5. N: number of repeated radiographs after the first postoperative radiograph