Table 1.

Clinical characteristics of patients with gout or osteoarthritis

	Gout (n = 25)	OA (n = 10)	P
Age (years, median [IQR])	63 (50–78)	62 (56–66)	0.694
Male (%)	25 (100%)	4 (40.0%)	<  0.001
CRP (mg/dL, median [IQR])	12.08 (4.44–17.75)	0.22 (0.10–1.00)	<  0.001
Uric acid (mg/dL, median [IQR])	6.0 (5.1–9.3)	5.0 (4.1–6.7)	0.137
Involved joint
Knee	24 (96.0%)	10 (100%)	1.000
Ankle	8 (32.0%)	1 (10.0%)	0.234
Foot	5 (20.0%)	0 (0%)	0.291
Treatment
IA steroid	19 (76.0%)	3 (30.0%)	0.019
Systemic steroid	11 (44.0%)	1 (10.0%)	0.112
NSAIDs	9 (36.0%)	7 (70.0%)	0.131
Urate-lowering therapy
Allopurinol	2 (8.0%)	0 (0%)	0.579
Febuxostat	6 (24.0%)	0 (0%)	0.151
Joint fluid analysis
WBCs (/μL, median [IQR])	33,500 (20750–53,955)	150 (74–554)	<  0.001
Neutrophil (/μL, median [IQR])	28,800 (18184–49,206)	2 (0–19)	<  0.001

CRP C-reactive protein, IA intraarticular, WBCs white blood cells