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Table 1 Mean (±SD) values for regional (3 periprosthetic acetabular zones) and overall mean radiographic bone GV, and prosthetic head acetabular coverage immediately and 4 months after uncemented and cemented THA (n = 7, each)

From: Radiographic evaluation of early periprosthetic acetabular bone contrast and prosthetic head acetabular coverage after uncemented and cemented total hip prosthesis in dogs

 

Uncemented THA

Cemented THA

Parameter

Immediately

postoperative

4 months

postoperative

P-value

Immediately

postoperative

4 months

postoperative

P-value

Zone 1 (GV)

166.3 ± 26.93

176.2 ± 26.59

0.083

166.4 ± 24.49

173.9 ± 20.74

0.243

Zone 2 (GV)

166.7 ± 31.45

181.5 ± 29.69*

0.021

171.5 ± 25.89

178.3 ± 19.29

0.292

Zone 3 (GV)

167.4 ± 26.42

183.4 ± 26.56*

0.003

164.4 ± 21.60

168.5 ± 20.04

0.449

Mean overall bone GV

166.8 ± 28.10

180.4 ± 27.45*

0.018

167.4 ± 23.82

173.6 ± 19.82

0.303

Prosthetic head GV (control)

217.3 ± 36.27

220.1 ± 39.76

0.797

220.3 ± 30.81

227.4 ± 10.09

0.279

Prosthetic head Norberg (PHN) angle (°)

112.8 ± 9.36

112.5 ± 7.67

0.851

106.9 ± 12.03

104.2 ± 14.06

0.179

  1. GV gray scale value
  2. THA total hip arthroplasty
  3. *P < .05 compared with immediate postoperative value