MedicineOrthopaedic SurgeryPharmacologyOrthopedicsPain ManagementPain MedicineAnalgesiaAnalgesic PharmacologyOsteoarthritisOsteoarthritis ManagementPharmacologic Pain TherapyAntiplatelet DrugsCyclooxygenase InhibitorsNonsteroidal Anti-inflammatory Drug AnalgesiaNonsteroidal Anti-inflammatory Drug UseNsaid TherapyPlasma Cholesterol LevelsProstaglandin Synthesis InhibitionSelective Cyclooxygenase-2 Inhibitors