5.

不同聚类的肌炎特异性抗体及肌炎相关性抗体的表达

Expression of myositis-specific antibodies and myositis-related antibodies in different clusters of patients

Factors	Cluster 1	Cluster 2	Cluster 3	P
Note: Data were presented as counts (n) and percentages (%) and were compared between groups using Fisher's exact test.
Jo-1	0	1 (14.2)	12 (34.2)	0.001
PL-7	3 (10.3)	0	3 (8.5)	1
PL-12	1 (3.4)	0	0	0.507
EJ	1 (3.4)	1 (14.2)	2 (5.7)	1
ARS	5 (17.2)	2 (28.5)	17 (48.6)	0.022
MDA5	13 (44.8)	0	1 (2.8)	< 0.001
SAE	1 (3.4)	1 (14.2)	0	0.09
Mi-2	3 (10.3)	0	2 (5.7)	0.796
TI1γ	3 (10.3)	0	0	0.138
SRP	0	5 (71.4)	0	< 0.001
PM-Scl	2 (6.8)	1 (14.2)	0	0.074
U1RNP	1 (3.4)	0	2 (5.7)	1
Ku	0	0	2 (5.7)	0.592
Ro52	16 (55.1)	4 (57.1)	27 (77.1)	0.181