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Hip, femur

No superior performance of hydroxyapatite-coated acetabular cups over porous-coated cups

An 8-year follow-up of 81 patients from a previously reported controlled trial

, , &
Pages 544-548 | Received 07 Nov 2012, Accepted 31 Aug 2013, Published online: 31 Oct 2013

Figures & data

Figure 1. Four regions of interest for DEXA measurements, “the Wilkinson regions”. (Figure used from Laursen et al. Citation2007 with permission).

Figure 1. Four regions of interest for DEXA measurements, “the Wilkinson regions”. (Figure used from Laursen et al. Citation2007 with permission).

Figure 2. Flow chart of the patients.

Figure 2. Flow chart of the patients.

Figure 3. Kaplan-Meier survival estimates with revision as end-point. “Standard” refers to porous-coated cups and “Study” refers to HA/TCP-coated cups. The colored areas represent 95% confidence intervals. Patients who died before the last follow-up appear as censored observations and are marked with crosses. The p-value, calculated from a log-rank test, was 0.5.

Figure 3. Kaplan-Meier survival estimates with revision as end-point. “Standard” refers to porous-coated cups and “Study” refers to HA/TCP-coated cups. The colored areas represent 95% confidence intervals. Patients who died before the last follow-up appear as censored observations and are marked with crosses. The p-value, calculated from a log-rank test, was 0.5.

Demographic data and Harris hip score (HHS)

Figure 4. BMD changes in 4 regions of interest (ROIs). Measurements in ROI 2 were significantly favorable for the porous-coated cup.

Figure 4. BMD changes in 4 regions of interest (ROIs). Measurements in ROI 2 were significantly favorable for the porous-coated cup.

Figure 5. EBRA analysis.

Figure 5. EBRA analysis.