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. 2014 Oct 17;5:173. doi: 10.3389/fendo.2014.00173

Figure 1.

Figure 1

Pre-, intra-, and post-operative risk factors were evaluated in univariate and multivariate analyses, depicted as a funnel; the numbers reported in the figure are referred to the previous work (14). In this paper, by means of a sub-cohort of 74 patients (37 controls and 37 with POD), pre-operative IL-6 plasma level (≥9 pg/mL) and age were found to be independent risk factors together with other pre-operative parameters, i.e., CIRS (cumulative illness rating scale), SPMSQ (short-portable mental status questionnaire), HADS (hospital anxiety and depression scale) showing that pre-operative variables are the most significant to predict POD onset.