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Table 2 Longitudinal clinical outcomes

From: The concept of a cementless isoelastic monoblock cup made of highly cross-linked polyethylene infused with vitamin E: radiological analyses of migration and wear using EBRA and clinical outcomes at mid-term follow-up

FU Mean SD Median 95% CI Percentiles Range
Min Max 25% 75% Min Max
VAS rest pain (pts)
 Pre-op 5.0 3.3 5.0 4.4 5.7 2.0 8.0 0.0 10.0
 6–12 weeks 1.1 1.0 1.0 0.6 1.5 0.0 2.0 0.0 3.0
 6 months 0.2 0.3 0.1 −0.1 0.6 0.0 0.4 0.0 0.7
 12 months 0.5 1.2 0.0 0.3 0.8 0.0 1.0 0.0 8.0
 24 months 0.1 0.3 0.0 0.0 0.2 0.0 0.0 0.0 2.0
 5 years 0.2 0.7 0.0 0.0 0.3 0.0 0.0 0.0 4.0
VAS load pain (pts)
 Pre-op 7.7 2.2 8.0 7.2 8.1 6.7 9.8 1.0 10.0
 6–12 weeks 1.5 1.4 1.0 0.8 2.2 0.3 2.2 0.0 4.0
 6 months 0.6 0.6 0.8 −0.1 1.4 0.0 1.0 0.0 1.4
 12 months 1.1 1.7 0.0 0.7 1.4 0.0 2.0 0.0 8.0
 24 months 0.3 0.5 0.0 0.2 0.4 0.0 0.8 0.0 2.0
 5 years 0.6 1.7 0.0 0.3 1.0 0.0 0.0 0.0 9.0
VAS satisfaction (pts)
 Pre-op 1.7 2.0 1.0 1.4 2.1 0.0 3.0 0.0 8.0
 6–12 weeks 8.8 0.8 9.0 8.5 9.2 8.5 9.1 7.3 10.0
 6 months 9.5 0.5 9.4 8.9 10.1 9.2 10.0 9.0 10.0
 12 months 9.2 1.4 10.0 8.9 9.5 8.8 10.0 2.0 10.0
 24 months 9.7 0.5 10.0 9.6 9.8 9.5 10.0 8.0 10.0
 5 years 9.6 0.9 10.0 9.4 9.8 10.0 10.0 6.0 10.0
Harris Hip Score (pts)
 Pre-op 49.9 15.0 52.0 46.9 52.9 41.5 60.5 9.0 95.0
 6–12 weeks 83.1 10.4 85.0 78.2 88.0 75.5 91.5 64.0 99.0
 6 months 91.8 4.0 91.0 86.9 96.7 91.0 95.0 86.0 96.0
 12 months 91.1 11.6 96.0 88.5 93.7 88.0 99.0 45.0 100.0
 24 months 95.2 5.6 97.0 94.0 96.4 93.0 99.0 75.0 100.0
 5 years 94.0 9.9 97.0 91.9 96.2 93.0 100.0 38.0 100.0
Flexion (°)
 Pre-op 92.4 12.1 90.0 90.0 94.7 90.0 100.0 50.0 120.0
 6–12 weeks 101.0 13.8 100.0 94.5 107.5 90.0 110.0 65.0 130.0
 6 months 109.0 13.9 115.0 91.8 126.2 110.0 115.0 85.0 120.0
 12 months 116.3 12.0 120.0 113.6 118.9 110.0 125.0 85.0 130.0
 24 months 120.2 9.4 120.0 118.2 122.3 115.0 130.0 95.0 130.0
 5 years 113.7 10.9 115.0 111.3 116.1 110.0 120.0 85.0 130.0
  1. CI confidence interval, FU follow-up, VAS visual analogue score