Prospective evaluation of an automated method to identify patients with severe sepsis or septic shock in the emergency department

Table 3 Monthly performance characteristics

Total:	93,773	208	352	0.38 %	Cont. AUC	Model Cut > =0.05				Triage Nurse
Month	Encs	Per Day	Sepsis	Rate	Cont. AUC	Sens	FPR	FP/Day	AUC	Sens	FPR	FP/Day	AUC
200904	6,279	209	22	0.35 %	0.957	72.7 %	4.5 %	9.43	0.841	68.2 %	2.7 %	5.69	0.827
200905	6,583	212	21	0.32 %	0.952	76.2 %	5.2 %	11.00	0.855	38.1 %	2.8 %	5.86	0.677
200906	6,860	229	26	0.38 %	0.963	88.5 %	5.6 %	12.82	0.914	50.0 %	4.1 %	9.27	0.730
200907	6,736	217	22	0.33 %	0.974	72.7 %	4.6 %	10.03	0.841	50.0 %	2.3 %	4.92	0.739
200908	6,439	208	22	0.34 %	0.934	72.7 %	4.3 %	8.97	0.842	45.5 %	2.5 %	5.18	0.715
200909	6,352	212	25	0.39 %	0.961	64.0 %	4.6 %	9.64	0.797	40.0 %	2.6 %	5.59	0.687
200910	6,451	208	29	0.45 %	0.957	86.2 %	4.5 %	9.43	0.908	69.0 %	3.6 %	7.49	0.627
200911	5,975	199	25	0.42 %	0.953	76.0 %	4.5 %	8.94	0.858	56.0 %	3.5 %	7.00	0.762
200912	5,753	186	27	0.47 %	0.944	81.5 %	4.7 %	8.75	0.884	51.9 %	3.0 %	5.51	0.744
201001	6,206	200	27	0.44 %	0.932	77.8 %	4.2 %	8.49	0.868	44.4 %	3.4 %	6.71	0.705
201002	5,568	199	22	0.40 %	0.948	68.2 %	5.1 %	10.11	0.815	63.6 %	3.5 %	6.96	0.801
201003	6,250	202	17	0.27 %	0.965	82.4 %	4.6 %	9.28	0.889	70.6 %	3.8 %	7.63	0.834
201004	5,885	196	27	0.46 %	0.947	77.8 %	4.4 %	8.71	0.867	55.6 %	2.9 %	5.73	0.763
201005	6,184	199	17	0.27 %	0.969	76.5 %	4.9 %	9.80	0.858	58.8 %	3.4 %	6.79	0.777
201006	6,252	208	23	0.37 %	0.931	69.6 %	4.4 %	9.10	0.826	56.5 %	3.0 %	6.19	0.768
			Min:	0.27 %	0.931	64.0 %	4.2 %	8.49	0.797	38.1 %	2.3 %	4.92	0.677
			Max:	0.47 %	0.974	88.5 %	5.6 %	12.82	0.914	70.6 %	4.1 %	9.27	0.834
			CV:	16.72 %	0.014	8.7 %	7.9 %	0.11	0.038	18.8 %	16.4 %	0.18	0.066

ISSN: 1471-227X