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表3 anti⁃MDA5 DM患者死亡独立危险因素的单因素和多因素分析
Table 3 Univariate and multivariate analysis of the independent risk factors of death in anti⁃MDA5 DM patients
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Univariate Multivariate
Variable
P HR(95%CI) P HR(95%CI)
Age <0.002 00 000 001.04(1.02-1.07) 0.039 1.03(1.00-1.06)
Sex <0.632 00 000 001.17(0.61-2.25) - -
NLR <0.001 00 000 001.18(1.11-1.26) - -
PLR <0.076 00 000 001.00(1.00-1.00) - -
LMR <0.018 00 000 000.60(0.39-0.92) 0.129 0.76(0.57-1.08)
SII <0.001 00 000 001.00(1.00-1.00) 0.002 1.00(1.00-1.00)
SIRI <0.001 00 000 001.29(1.16-1.45) - -
AISI <0.001 00 000 001.00(1.00-1.00) - -
Myasthenia <0.027 00 000 002.07(1.09-3.96) 0.139 1.66(0.85-3.25)
Gottron’s sign <0.986 00 000 001.01(0.52-1.93) - -
Heliotrope rash <0.260 00 000 000.69(0.36-1.30) - -
V sign <0.450 00 000 000.76(0.38-1.54) - -
Shawl sign <0.375 00 000 000.69(0.30-1.57) - -
Skin erythema <0.592 00 000 000.83(0.42-1.65) - -
Raynaud’s phenomenon <0.776 00 000 000.75(0.10-5.47) - -
Periungual erythema <0.451 00 000 000.71(0.30-1.72) - -
Arthritis <0.508 00 000 000.78(0.37-1.64) - -
Mechanic’s hand <0.177 00 000 000.61( 0.29-1.25) - -
Heterotopic calcification <0.997 00 000 000.00(0-Inf) - -
Skin ulcer <0.460 00 000 001.34(0.61-2.94) - -
Hypertension <0.619 00 000 001.20(0.58-2.49) - -
Diabetes <0.594 00 000 000.75(0.27-2.13) - -
Malignant tumor <0.996 00 000 000.00(0-Inf) - -
Cardiac involvement <0.871 00 000 000.91(0.28-2.96) - -
ILD <0.997 78 116 206.82(0-Inf) - -
Glu <0.694 00 000 001.15(0.58-2.29) - -
PLR:platelet⁃to⁃lymphocyte ratio;NLR:neutrophil⁃to⁃lymphocyte ratio;LMR:lymphocyte⁃to⁃monocyte ratio;SII:systemic immune⁃inflammation
index;SIRI:systemic inflammation response index;ILD:interstitial lung disease;Glu:glucose;Inf:infinity;CI:confidence interval.
A B
1.0 1.0
0.8 0.8
Sensitivity 0.6 SII Sensitivity 0.6 SII
0.4
Sensitivity,51.35%
Specificity,78.16% 0.4 Sensitivity,72.97%
Specificity,62.07%
0.2 NLP 0.2 NLP
Sensitivity,56.76% Sensitivity,62.16%
0 Specificity,77.01% 0 Specificity,79.31%
00 0.5 1.0 00 0.5 1.0
1-Specificity 1-Specificity
图1 NLR和SII在预测RPILD(A)与存活(B)的ROC分析
Figure 1 ROC analysis of both NLR and SII in predicting RPILD(A)and survival(B)
sive extracellular matrix(ECM)in the interstitium, play a crucial role in this process by releasing elastase
[49]
leading to an impaired lung function . Neutrophils and matrix metalloproteinases to degrade ECM pro⁃

