Test characteristics
Table 3 shows the test characteristics of the electronic sepsis alert. For recognizing severe sepsis and septic shock, the test had a sensitivity of 93% (95% CI =89%–96%), specificity of 98% (95% CI =98.3%–98.5%), positive predictive value of 20% (95% CI =18%–23%), and negative predictive value of 99.9% (95% CI =99.95%–99.98%). The positive likelihood ratio was 59.88 (95% CI, 55.36–64.78), and the negative likelihood ratio was 0.069 (95% CI, 0.429–0.11). The electronic sepsis alert preceded ICU referral by a median of 4.02 hours (Q1–Q3, 1.25–8.55 hours).
Test characteristics Table 3 shows the test characteristics of the electronic sepsis alert. For recognizing severe sepsis and septic shock, the test had a sensitivity of 93% (95% CI =89%–96%), specificity of 98% (95% CI =98.3%–98.5%), positive predictive value of 20% (95% CI =18%–23%), and negative predictive value of 99.9% (95% CI =99.95%–99.98%). The positive likelihood ratio was 59.88 (95% CI, 55.36–64.78), and the negative likelihood ratio was 0.069 (95% CI, 0.429–0.11). The electronic sepsis alert preceded ICU referral by a median of 4.02 hours (Q1–Q3, 1.25–8.55 hours).
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