表 4.

肌腱内MSU晶体阳性组和阴性组痛风患者的临床特征比较

Demographic and characteristics of gout patients with MSU deposition in tendon by ultrasonography

Items	Positive MSU deposition by US	Negative MSU deposition by US	P
BMI, body mass index; hsCRP, hypersensitive C-reactive protein; MSU, monosodium urate; US, ultrasound.
n	44	36
Age/years, x±s	53.8±9.8	49.2±12.1	0.217
Male，n(%)	40 (91)	34 (94)	0.871
Disease duration/months, x±s	87.3±40.9	7.7±2.6	0.001
Gout flare frequency(/year), M(P25, P75)	2 (1, 2)	1 (1, 1)	0.001
BMI/(kg/m2), x±s	26.3±2.5	23.3±2.1	0.05
Serum uric acid/(μmol/L), x±s	584.6±87.6	460.4±96.7	0.001
Serum creatinine/(μmol/L), x±s	90.9±33.3	70.6±40.2	0.02
hsCRP/(mg/L), x±s	13.8±4.2	12.8±3.2	0.601