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Table 2 Univariate analysis of > 3 mm stem subsidence-positive and − negative groups in Dorr type C femurs

From: Tapered wedge stems decrease early postoperative subsidence following cementless total hip arthroplasty in Dorr type C femurs compared to fit-and-fill stems

 

 > 3 mm subsidence-positive (N = 11)

 > 3 mm subsidence-negative (N = 93)

P values

Sex (male:female)

1:10

15:78

0.9999

Age (years)

71.9 ± 9.5

66.1 ± 11.9

0.1229

BMI (kg/m2)

23.7 ± 2.1

24.1 ± 4.4

0.7554

Diagnosis

  

0.2422

 OA

9

86

 

 Other (ONFH or RA)

2

7

 

Stem

  

0.0091*

 Fit-and-fill

10

45

 

 Tapered wedge

1

48

 

HHS

 Preoperative

58.8 ± 17.1

55.8 ± 19.1

0.6189

 Postoperative (6W)

83.0 ± 10.8

84.8 ± 8.8

0.5225

  1. Continuous variables are represented as mean ± standard deviation
  2. N—number, BMI—body mass index, OA—osteoarthritis, ONFH—osteonecrosis of the femoral head, RA—rheumatoid arthritis, HHS—Harris hip score, 6W—Six weeks after surgery
  3. *P < 0.05 indicates significance
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X