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Table 1 Baseline characteristics of the study population

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*

Demographic characteristics

 Age (yr)

63.82 ± 14.91

58.72 ± 9.65

0.080

 Male/female

19/19

19/21

0.825

 Weight (kg)

64.65 ± 11.41

61.45 ± 11.85

0.227

 Height (cm)

164.45 ± 8.15

161.63 ± 8.69

0.086

 BMI (kg/m2)

24.12 ± 3.47

23.87 ± 3.82

0.762

 Left/right/bilateral

8/21/9

8/19/13

0.690

Diagnosis

 Primary THA

  ONFH

19

18

0.658

  OA

4

2

0.360

  RA

3

5

0.503

    DDH

8

10

0.903

 Revision THA

  Prosthetic Loosening

2

2

0.958

  Prosthetic Fracture

2

1

0.526

  Infection

0

2

0.163

Comorbidities

 Hypertension

14

16

0.774

 Diabetes mellitus

4

3

0.640

 Osteoporosis

10

5

0.122

 COPD

4

3

0.640

Preoperative hip function

 Flexion (deg)

90.26 ± 29.15

93.50 ± 31.07

0.637

 Abduction (deg)

23.03 ± 10.81

24.75 ± 11.43

0.496

 HHS score

28.42 ± 14.55

36.53 ± 15.65

0.582

Duration of follow-up (yr)

1.73 ± 1.94

1.60 ± 0.836

0.546

  1. Abbreviations: ONFH osteonecrosis of the femoral head, OA osteoarthritis, RA rheumatoid arthritis, DDH developmental dysplasia of the hip, COPD chronic obstructive pulmonary disease, HHS Harris hip score
  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