2.

纳入的IIM患者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 IIM patients included in this study

Factors	Total (n=71)	PM (n=30)	DM (n=20)	CADM (n=16)	IMNM (n=5)	P
Note: Data were presented as counts (n) and percentages (%) and were compared between groups using Fisher's exact test.
Jo-1	13 (18.3)	13 (43.3)	0	0	0	< 0.001
PL-7	6 (8.4)	3 (10.0)	1 (5.0)	2 (12.5)	0	0.845
PL-12	1 (1.4)	0	4 (20.0)	0	0	0.296
EJ	4 (5.6)	4 (13.3)	1 (5.0)	0	0	0.205
MDA5	14 (19.7)	0	1 (5.0)	1 (6.2)	0	< 0.001
SAE	2 (2.8)	0	2 (10.0)	0	0	0.219
Mi-2	5 (7.0)	2 (6.6)	0	10 (62.5)	0	0.799
TI1γ	3 (4.2)	0	2 (10.0)	1 (6.2)	0	< 0.001
SRP	5 (7.0)	1 (3.3)	0	2 (12.5)	4 (80.0)	< 0.001
PM-Scl	3 (4.2)	1 (3.3)	0	1 (6.2)	0	0.558
U1RNP	3 (4.2)	1 (3.3)	1 (5.0)	1 (6.2)	0	1
Ku	2 (2.8)	2 (6.6)	0	0	0	0.831
Ro52	47 (66.1)	26 (86.6)	8 (40.0)	11 (68.7)	2 (40.0)	0.003