Table 3. PDOR scoring system for spatial analyses (second query) with five or more cases and PDOR ≥ 1.25 on the spatial analysis first query.

Variables	Levels	Score	Notes
Statistics used to determine score for first step (score ≥5 is positive)
PDOR	≥4	9
	≥3	7
	≥2	5
	≥1.25	3
	<1.25	0
80% LCL	>1.1	2
	≤1.1	0
95% LCL	>1.1	4
	>0.8	2
	≤0.8	0
Additional scores added to the first score to determine alert level
Number of days detected within one week	≤3	0	Applied to same syndrome/age stratum/species.
	≥3	4	Score applies when sums are ≥5 on ≥3 days in a one week period.