Continuous Femoral Nerve Block versus Intravenous Patient Controlled Analgesia for Knee Mobility and Long-Term Pain in Patients Receiving Total Knee Replacement: A Randomized Controlled Trial

Figure 3

WOMAC scores for knee before and after surgery. A significant difference between group CFNB and group PCIA, . WOMAC was the abbreviation for Western Ontario and McMaster Universities Osteoarthritis Index, CFNB for continuous femoral nerve block, and PCIA for patient controlled intravenous analgesia.