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Table 2 Impact of different factors on amount of migration

From: Migration analysis of a metaphyseal-anchored short femoral stem in cementless THA and factors affecting the stem subsidence

Patient demographics

Subsidence (mm)

p-Value

Age (years)

≤65

2.04 (±1.4)

> 65

2.05 (±1.44)

 

0.76

Gender

male

2.22 (±1.02)

female

1.8 (±1.63)

 

0.53

Weight (kg)

< 75 kg

1.67 (±1.07)

≥75

2.2 (±1.52)

 

0.27

BMI (kg/m2)

< 30

2.16 (±1.6)

≥30

1.8 (±1.63)

 

0.6

Dorr classification

Type A

1.99 (±1.39)

Type B

2.16 (±1.49)

Type C

NA

0.62

Implant Characteristics

Subsidence (mm)

p-Value

Offset

standard

1.88 (±1.2)

lateral

1.48 (±1.73)

 

0.85

Head Size (mm)

28

1.44 (±0.76)

32

1.94 (±1.42)

36

2.26 (±1.5)

0.38

Stem Size

  all patients

< 6

1.53 (±0.9)

≥6

2.56 (±1.65)

 

< 0.05*

  females

< 6

1.48 (±0.8)

≥6

2.97 (±0.8)

 

< 0.05*

  males

< 6

1.61 (±1.0)

≥6

2.48 (±1.8)

 

0.221

  1. BMI: (Body mass index).
  2. NA: Not applicable.
  3. *indicates statistically significant difference