Mean 5-Year Clinical and Radiographic Outcomes of Cementless Total Hip Arthroplasty in Patients under the Age of 30

Table 2

Complications, revision rates, and radiographic and Clinical outcomes.

Complications	𝑛 (%)
Infection	1 (2.5%)
Pulmonary embolism	1 (2.5%)
Dislocation	4 (10%)
Total complications	6 (15%)
Revisions	𝑛 (%)
All aseptic revisions	7 (17.5%)
Time to revision [mean (95% CI)]	74 (38–110)
Radiographic outcomes	𝑛 (%)
Femoral radiolucencies (gruen zones)
Zone 1	4 (10)
Zone 2	1 (2.5)
Zone 3	0
Zone 4	0
Zone 5	0
Zone 6	0
Acetabular radiolucencies (De Lee and Charnley zones)
Zone 1	2 (5)
Zone 2	1 (2.5)
Zone 3	1 (2.5)
Clinical outcomes	mean (95% CI)
Preop Harris hip score [mean (95% CI)]	62.7 (57.3–68.0)
Postop Harris hip score [mean (95% CI)]	94.7 (92.2–97.1)
Change in Harris hip score [mean (95% CI)]	33.4 (28.0–37.6)