*Significantly different from the initial pre-operative assessment aSignificantly different from the IV group Bars are initial assessment, immediate preoperative assessment and 3 month follow-up. Activity-scale: Normal activities 40 and least activity 5. Wellbeing-scale: Best wellbeing 40 and least wellbeing 5. Energy-scale: Normal energy-level 35 and least 7. Symptoms-scale: No symptoms 25 and maximum symptoms 5.

Figure 2: Quality of life data for both intervention groups.