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Table 5 Secondary analyses: deterministic mean differences between CRFA versus IAS

From: Cooled radiofrequency ablation of the genicular nerves for chronic pain due to osteoarthritis of the knee: a cost-effectiveness analysis based on trial data

Analysis Incremental QALY gain Incremental cost (US$) Cost per QALY gained (US$)
Real world cost scenario 1: IAS in-office, CRFA outpatient, nerve block only applied to CRFA group and still performed in outpatient setting
 6-month time horizon 0.091 1929.97 21,166
 12-month time horizon 0.229 1929.97 8296
Real world cost scenario 2: IAS in-office, CRFA outpatient, nerve block only applied to CRFA patients but performed in-office
 6-month time horizon 0.091 1550.98 17,564
 12-month time horizon 0.229 1550.98 6768
  1. Abbreviations: CRFA cooled radiofrequency ablation, IAS intra-articular steroid, QALY quality-adjusted life-years