• E Bonicoli, P Parchi, N Piolanti, L Andreani, F Niccolai, and M Lisanti.
• Orthopaedics and Traumatology I Department, University of Pisa, Pisa, Italy, enrico.bonicoli@libero.it.
• Musculoskelet Surg. 2014 Dec 1; 98 (3): 201-4.

PurposeThe ageing of the population in developed countries has led to an increased number of patients with hip fractures all over the world. POSSUM and P-POSSUM scores predict morbidity and mortality of patients who will be undergoing a surgical treatment. The aim of this study was to evaluate accuracy of these two scores in hip-fractured patients.Materials And MethodsBetween January and December 2012, in our department 144 patients were hospitalised for femoral neck fractures according to the grade III or IV of Garden's classification treated with total hip arthroplasty or endoprosthesis. POSSUM scores and P-POSSUM scores were calculated for each patient with complete clinical data. We then calculated the observed and the expected ratio.Results134 patients were eligible: 110 females and 24 males. The mean age for women was 79 years, and the mean age for men was 84 years. We observed 13 deaths and 66 complications. The POSSUM scores predicted 16 deaths and 60 complications, while P-POSSUM scores predicted 6 deaths. The O/E ratio for POSSUM mortality was 0.81 and for P-POSSUM was 2.17, while POSSUM morbidity was 1.1.ConclusionIn our study, we have shown that on the one hand, the POSSUM score predicted accurately both the mortality and morbidity in patients undergoing surgery for the femoral neck fracture, while on the other hand, the P-POSSUM score underestimated them. For this reason, we believe that the POSSUM is indeed a good audit tool, which can accurately predict both mortality and morbidity in a cohort of patients.

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