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. 2020 Dec 2;102(23):2049-2059.
doi: 10.2106/JBJS.19.01288.

Cost-Effectiveness of Volar Locking Plate Compared with Augmented External Fixation for Displaced Intra-Articular Wrist Fractures

Ola-Lars Hammer  1   2 , Rune Bruhn Jakobsen  1   2 , Stale Clementsen  1   2 , Hendrik Fuglesang  1 , Gudrun Waaler Bjornelv  2 , Per-Henrik Randsborg  1   3
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Cost-Effectiveness of Volar Locking Plate Compared with Augmented External Fixation for Displaced Intra-Articular Wrist Fractures

Ola-Lars Hammer et al. J Bone Joint Surg Am. .

Abstract

Background: The purpose of the present study was to estimate the cost-effectiveness of treating displaced, intra-articular distal radial fractures with volar locking plate fixation compared with augmented external fixation.

Methods: A cost-utility analysis was conducted alongside a randomized, clinical trial comparing 2 surgical interventions for intra-articular distal radial fractures. One hundred and sixty-six patients were allocated to either volar locking plate fixation (84 patients) or external fixation (82 patients) and were followed for 2 years. Health-related quality of life was assessed with the EuroQol-5 Dimensions and was used to calculate patients' quality-adjusted life-years (QALYs). Resource use was identified prospectively at the patient level at all follow-up intervals. Costs were estimated with use of both a health-care perspective and a societal perspective. Results were expressed in incremental cost-effectiveness ratios, and uncertainty was assessed with use of bootstrapping methods.

Results: The average QALY value was equivalent between the groups (1.70463 for the volar locking plate group and 1.70726 for the external fixation group, yielding a nonsignificant difference of -0.00263 QALY). Health-care costs were equal between the groups, with a nonsignificant difference of &OV0556;52 (p = 0.8) in favor of external fixation. However, the external fixation group had a higher loss of productivity due to absence from work (5.5 weeks in the volar locking plate group compared with 9.2 weeks for the external fixation group; p = 0.02). Consequently, the societal costs were higher for the external fixation group compared with the volar locking plate group (&OV0556;18,037 compared with &OV0556;12,567, representing a difference of &OV0556;5,470; p = 0.04) in favor of the volar locking plate group. Uncertainty analyses showed that there is indifference regarding which method to recommend from a health-care perspective, with volar locking plate treatment and external fixation having a 47% and 53% likelihood of being cost-effective, respectively. From the societal perspective, volar locking plate treatment had a 90% likelihood of being cost-effective.

Conclusions: External fixation was less cost-effective than volar locking plate treatment for distal radial fractures from a societal perspective, primarily because patients managed with external fixation had a longer absence from work.

Level of evidence: Economic and Decision Analysis Level I. See Instructions for Authors for a complete description of levels of evidence.

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