Table 3.

Main clinical manifestations of patients.

	LR Group	HR Group	Total	P-value
Carditis, n (%)	69 (72)	4 (14)	73 (58)	<0.001
Subclinical carditis, n (%)	40 (42)	3 (10)	43 (34)	0.004
Chorea, n (%)	23 (24)	1 (3)	24 (19)	0.01
Erythema marginatum, n (%)	9 (9)	0	9 (7)	0.11
Subcutaneous nodules, n (%)	0	0	0	–
Polyarthritis, n (%)	56 (58)	0	56 (45)	–
Monoarthritis, n (%)	0	21 (72)	21 (17)	–
Polyarthralgia, n (%)	44 (46)	12 (41)	56 (45)	0.83
Monoarthralgia, n (%)	0	0	0	–
First-degree atrioventricular block, n (%)	10 (10)	3 (10)	13 (10)	0.76

–, not applicable.