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Table 4 Radiographic evaluation of the included patients between groups postoperatively

From: Synchronous or sequential cementless bilateral total hip arthroplasty for osseous ankylosed hips with ankylosing spondylitis

Variable Group A (22 hips) Group B (24 hips) T value P value
The difference of bilateral IC (°) 3.0 ± 2.1 5.5 ± 2.4 -2.63 0.02*
The difference of bilateral FO (cm) 0.35 ± 0.27 0.32 ± 0.21 0.28 0.78
LLD (cm) 0.48 ± 0.39 0.45 ± 0.31 0.22 0.83
  1. Group A: synchronous cementless bilateral total hip arthroplasty
  2. Group B: sequential cementless bilateral total hip arthroplasty
  3. IC inclination of cup; FO femoral offset; LLD leg length discrepancy
  4. P values with statistical significance are marked with *