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Table 3 Univariate logistic regression of refractory and non-refractory groups of anti-NXP2 autoantibody positive JDM

From: Clinical characteristics and poor predictors of anti-NXP2 antibody-associated Chinese JDM children

   Outcome ratio (%) N β OR 95%CI P-values
Gender male 33.33 26 0.5534 1.739 0.257 ~ 14.451 0.8037
female 47.06
BMI (kg/m2) > = 15 33.33 25 1.5396 4.663 0.558 ~ 62.967 0.2032
< 15 71.43
Muscle strength > 3 0 26 2.6654 14.373 2.461~ > 999.999 0.0041*
<=3 61.11
Edema No 11.76 25 3.926 50.705 8.086~ > 999.999 <.0001*
Yes 100
Skin ulcer No 12.5 26 3.8559 47.27 3.869~ > 999.999 0.0003*
Yes 90
Dysphagia/hoarseness/soft voice No 9.09 26 2.8634 17.521 1.691 ~ 952.094 0.0089*
Yes 66.67
Symptom No 10 26 2.5977 13.433 1.308 ~ 721.398 0.0219*
Yes 62.5
ILD No 27.78 25 1.7855 5.963 0.698 ~ 82.561 0.1237
Yes 71.43
ANA (+) No 21.43 26 1.9024 6.702 0.987 ~ 61.614 0.0521
Yes 66.67
Anti-Ro-52 (+) No 31.58 26 1.6178 5.042 0.609 ~ 67.675 0.1696
Yes 71.43
CD4/CD8 ratio > = 1.4 18.75 24 2.4221 11.269 1.26 ~ 171.48 0.0255*
< 1.4 75
Ferritin (ng/ml) <=200 16.67 24 2.1876 8.914 1.115 ~ 123.379 0.0361*
> 200 66.67
  1. Outcome ratio the ratio of outcomes in different condition, Symptom at least one of edema, skin ulcer or Dysphagia/Hoarseness/Lower voice, BMI body mass index, ILD interstitial lung disease, ANA antinuclear antibody; *: significantly statistic difference, P < 0.05