. 2023 Feb 8;9:e40311. doi: 10.2196/40311

Table 6.

The results of the paired t test for precision. Precision is defined as true positive cases / (correct presumptive cases + incorrect presumptive cases).

	Before the EWORS^a	After the EWORS	Difference	t₍₆₆₈₎	P value
Total precision (SE)	7.7% (0.12%)	10.3% (0.15%)	2.7% (0.19%)	13.764	<.001
Hot spot precision (SE)	6.4% (0.14%)	11.9% (0.26%)	5.5% (0.29%)	18.613	<.001
Non–hot spot precision (SE)	8.6% (0.15%)	9.2% (0.11%)	0.5% (0.19%)	2.747	.003

^aEWORS: early warning outbreak recognition system.