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. 2021 Sep 9;4:134. doi: 10.1038/s41746-021-00504-6

Table 2.

Summary of performance of COMPOSER on the (A) ICU and (B) ED cohorts when evaluated in a sequential prediction setting.

SEN SPC PPV NPV DOR AUC
(A) ICU cohorts
 Hospital-A ICU test Na=3,406; Sa=767 (22.5%) 91.6a 93.0b 38.0b 98.8b 53.5b (1.088) 0.953
Nb=157,527; Sb=6499 (4.1%) 80.1b
Hospital-A Temporal ICU Na=3,596; Sa=733 (20.4%) 92.3a 93.6b 35.5b 99.0b 57.2b (1.090) 0.953
Nb=171,242; Sb=6156 (3.6%) 79.3b
Hospital-B ICU Na=45,812; Sa=7,913 (17.3%) 91.3a 90.7b 24.3b 99.1b 35.9b (1.027) 0.925
Nb=1,884,383; Sb=56,637(2.9%) 78.9b
(B) ED cohorts
 Hospital-A ED test Na=19,807; Sa=1,624 (8.2%) 95.6a 93.5b 20.1b 99.5b 51.8b (1.109) 0.945
Nb=162,504 Sb=7691 (4.7%) 78.1b
 Hospital-A Temporal ED Na=19,945; Sa=1,795 (9.0%) 96.0a 92.4b 20.8b 99.5b 49.2b (1.107) 0.940
Nb=158,045; Sb=8766 (5.5%) 80.0b
 Hospital-B ED Na=330,299; Sa=14,454 (4.4%) 90.5a 94.7b 13.4b 99.6b 51.2b (1.031) 0.938
Nb=2,362,426; Sb=64032(2.7%) 70.5b

Decision threshold corresponding to 80% sensitivity on the Hospital-A training cohort (0.561 and 0.414 for the ICU and ED cohorts respectively).

N Number of patients within the cohort, S Number of septic patients.

aPatient-wise.

bhourly window-wise.

SEN Sensitivity, SPC Specificity, PPV Positive predictive value, NPV Negative predictive value, DOR Diagnostic odds ratio with 95% confidence interval.