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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: A 24-month retrospective update: follow-up hospitalization charges and readmissions in US lumbar fusion surgeries using a cellular bone allograft (CBA) versus recombinant human bone morphogenetic protein-2 (rhBMP-2)

Fig. 1

Data-selection flow chart for patients from the original study (full and single-level cohorts) with all-cause 24-month follow-up readmission data in the present study. Data did not include patients who may have received follow-up treatment outside of the Premier Healthcare System

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X