Table 3. Score-Classified Urgency Levels, Criterion-Classified Severity Levels, and Risk Estimation Validity.

Score-classified urgency levels		Score range	Criterion-classified severity levels			Risk estimation validity*
			Mild	Moderate	Severe	Over	Correct	Under
			n = 247	n = 650	n = 116	(%)	(%)	(%)
Mean ± SD			3.0 ± 3.5	8.3 ± 3.3	16.1 ± 4.2
IQR**			0 - 6	7-9	13.5-19.5
Non-urgent	n = 215	< 4	174	39	2	-	17.2	4.0
Urgent	n = 677	4 - 16	71	571	35	7.0	56.4	3.5
Emergent	n = 121	> 16	2	40	79	4.1	7.8	-
					Total	11.1	81.4	7.5

*Percentage of total patients. SD: standard deviation; IQR: Inter-quartile range.