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Table 1 Sample size: all subjects with primary total hip replacement

From: Etoricoxib is safe and effective in preventing heterotopic ossification after primary total hip arthroplasty

  Preop
Theoretical due 204
Excluded because of EC against etoricoxib 4 (A)
Excluded because of PAO (periarticular ossifications) prophylaxis with different NSAID 6 (B)
Included 194
  1. (A) Two patients with strict contraindication against NASIDs due to cardiac preexisting disease both received radiation therapy (once seven Gray). Two patients with history of stroke rejected both prophylactic options (radiation and etoricoxib or any NSAID). (B) Three patients preferred expressly prophylaxis with diclofenac, another three patients with ibuprofen