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Table 3 Reduction results of the two groups

From: Reduction of posterior dislocated hip prosthesis using a modified lateral position maneuver: a retrospective, clinical comparative, and follow-up study

Variable

MLP reduction group

(N = 38)

Allis reduction group

(N = 40)

P value*

Reduction results

     Success rate of closed reduction (%)

38 (100%)

35 (87.5%)

0.024

  The first reduction in ED (%)

33 (86.84%)

25 (62.50%)

0.014

  The second reduction after admission (%)

5 (13.16%)

10 (25%)

0.185

     No. of open reduction (%)

0 (0%)

5 (12.5%)

0.024

HHS score

88.50 ± 4.47

87.43 ± 8.36

0.479

Reduction complications

 Rate of complications (%)

0 (0%)

3 (7.50%)

0.085

  Periprosthetic fracture (%)

0 (0%)

2 (5.00%)

0.163

  Temporary spacer loosening (%)

0 (0%)

1 (2.50%)

0.327

  Implants loosening (%)

0 (0%)

0 (0%)

Doctor Satisfaction

    SAPS score

84.00 ± 15.02

72.12 ± 22.92

0.008

  Excellent (%)

31 (81.58%)

22 (55.00%)

0.012

  Good (%)

5 (13.16%)

4 (10.00%)

0.663

  Fair (%)

0 (0%)

5 (12.50%)

0.024

  Poor (%)

2 (5.21%)

9 (22.50%)

0.029

Patient Satisfaction

     SAPS score

76.97 ± 15.79

63.28 ± 20.57

0.001

  Excellent (%)

16 (42.11%)

6 (15.00%)

0.008

  Good (%)

14 (36.84%)

18 (45.00%)

0.464

  Fair (%)

8 (21.05%)

16 (40.00%)

0.070

  Poor (%)

0 (0%)

0 (0%)

  1. Abbreviations: ED emergency department, HHS Harris hip score, SAPS Self-Administered Patient Satisfaction Scale
  2. *The P value represents the result of independent-samples T test for continuous variables or the chi-square test for independent proportions that included the two groups. P values with statistical significance are in bold print