All patients received multimodal oral analgesia which included Paracetamol 1g po every 6 hours, oxycodone (oxycontin) po twice a day (10 mg/dose for patients >70 years and 20 mg/dose for those <70 years) , pregabalin 50 mg po 3 times a day, and oxycodone (oxynorm) 5-10mg 4 hourly po as required for breakthrough pain (Pain score > 4/10)