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Table 3 Reasons for delayed complications and predictive accuracy of procalcitonin (PCT) for these complications

From: Prognostic value of procalcitonin in patients after elective cardiac surgery: a prospective cohort study

(n = 751) Predictive accuracy of PCT for delayed complications
Incidence (n) PCT AUC 95% CI p value Cutoff (ng/ml) Sensitivity (%) Specificity (%)
Respiratory failure 16 7.6 ± 10.1 0.90 0.85–0.95 <0.001 >3.1 81 90
Cardiac arrhythmia 40 6.0 ± 7.3 0.90 0.84–0.95 <0.001 >2.3 90 87
Other complications 21 12.8 ± 17.3 0.89 0.79–0.99 <0.001 >3.0 86 89
Infection
Instability or sepsis 44 11.5 ± 17.8 0.89 0.82–0.95 <0.001 >2.3 86 87
SIRS/sepsis 29 4.4 ± 4.8 0.75 0.62–0.87 <0.001 >1.3 74 71
  1. In some patients more than one complication occurred. Data are expressed as mean ± standard deviation
  2. AUC area under the curve