Clinical variable		Points
Acute onset, with maximal symptoms within one day		0.5
Joint erythema		1.0
Hypertension or cardiovascular disease*		1.5
Male patient		2.0
Previous attack of arthritis or joint pain		2.0
First metatarsophalangeal joint is involved		2.5
Serum uric acid > 5.88 mg per dL (350 μmol per L)		3.5
Total score:		_____ (maximum: 13 points)
	Derivation study4		Validation study†5
Total score	Number of patients in the score range (with gout/total)	LR	Number of patients in the score range (with gout/total)	LR	Suggested action
≥ 8 points: high risk	197/245 (80%)	3.1	141/162 (87%)	5.2	Diagnose gout
4.5 to 7.5: intermediate risk	17/63 (27%)	0.3	75/162 (46%)	0.7	Perform or refer for joint aspiration and polarized light microscopy analysis of crystals
≤ 4 points: low risk	2/72 (2.8%)	0.02	3/66 (4.5%)	0.04	Consider nongout diagnoses