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. 2015 Mar 6;19(1):74. doi: 10.1186/s13054-015-0792-1

Figure 4.

Figure 4

Association between time to severe adverse events and admission procalcitonin levels in lower acute respiratory tract infection and community-acquired pneumonia patients. (A) Time to treatment failure is significantly shorter in lower acute respiratory tract infection (ARI) patients with higher procalcitonin (PCT) levels on admission (P <0.0001). (B) Time to death is significantly shorter in lower ARI patients with higher PCT levels on admission (P <0.0001). (C) Time to treatment failure is significantly shorter in patients with community-acquired pneumonia (CAP) with higher PCT levels on admission (P <0.01). (D) Time to death is significantly shorter in patients with CAP with higher PCT levels on admission (P <0.01). ED, Emergency department. Treatment failure is defined as death, ICU admission, rehospitalisation, complications or recurrent or worsening infection within 28 days.