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Hb level following surgery with the four prostheses.
The Buechel-Pappas system was associated with a smaller decrement in haemoglobin level on POD6, with no difference on POD13. *p-value <0.05 by the MANOVA test between the Vanguard, Emotion Pro and Buechel-Pappas prostheses. The Oxinium prosthesis was excluded from this analysis because of the small number of patients in whom it was used.
