组别

PM/DM-ILD组(n = 147)

对照组(n = 123)

t/z/x²

P值

女性[例(%)]

102 (69.3)

87 (70.7)

0.019

0.890

年龄(岁)

51.43 ± 11.89

49.41 ± 13.85

−0.742

0.460

白蛋白(g/L)

32.25 ± 4.42

37.52 ± 3.34

6.274

<0.001

淋巴细胞(×10⁹/L)

0.91 (0.41~2.05)

1.22 (0.53~3.39)

−3.553

<0.001

白细胞(×10⁹/L)

5.16 (2.16~12.89)

6.46 (2.51~17.60)

−2.127

0.033

单核细胞(×10⁹/L)

0.40 (0.13~0.95)

0.49 (0.14~1.46)

−2.472

0.013

PNI

37.16 ± 5.52

44.78 ± 4.86

6.876

<0.001

血小板(×10⁹/L)

216.14 ± 64.46

254.24 ± 80.42

2.495

0.014

血红蛋白(g/L)

123.61 ± 14.24

130.37 ± 14.57

2.217

0.029

C3 (g/L)

1.02 ± 0.21

1.13 ± 0.22

2.498

0.014

CRP (mg/L)

2.07 (0.23~141)

2.20 (0.16~144)

−0.494

0.621

ESR (MM/h)

27 (2~90)

22 (4~77)

−1.540

0.124

IgG (g/L)

14.7 (7.80~28.7)

13.3 (8.29~23.3)

−1.406

0.160

IgA (g/L)

3.05 ± 1.39

2.49 ± 0.93

−2.206

0.030

IgM (g/L)

1.21 (0.53~3.56)

1.13 (0.40~2.81)

−1.066

0.287

IgE (IU/mL)

101.0 (18~3380)

86.7 (19.7~1150)

−0.190

0.849

抗Ro-52阳性[例(%)]

105 (71.4)

36 (29.2)

15.902

<0.001

JO-1阳性[例(%)]

12 (8)

0 (0)

3.503

0.061

抗MDA5阳性[例(%)]

99 (67.3)

21 (17.1)

22.849

<0.001

EJ阳性[例(%)]

12 (8.2)

0 (0)

3.503

0.061

PL-7阳性[例(%)]

15 (10)

3 (2.4)

2.163

0.141