Table 2 Univariate and multivariate analysis via binary logistic regression of variables associated with recurrent infection of MG

Male

1.17 [0.71–1.94]

-

0.536

-

Age

1.02 [1.00–1.03]

0.93 [0.87–1.01]

0.028^*

0.101

Respiratory and bulbar function

 V5

0.34 [0.17–0.67]

0.34 [0.01–15.48]

0.002^**

0.582

 VE

3.57 [1.56–8.16]

0.16 [0.00–9.54]

0.003^**

0.379

Motor scale (MRC)

 Bil. deltoid and iliopsoas

0.94 [0.88–1.01]

-

0.101

-

Concomitant diseases

 Diabetes mellitus

2.61 [1.32–5.16]

83.11 [1.25–5512.32]

0.006^**

0.039^*

 Deep vein thrombosis

9.62 [1.11–83.5]

4.75 [0.05–464.08]

0.040^*

0.505

 Thymic cancer

2.22 [1.17–4.19]

1.67 [0.12–22.99]

0.014^*

0.702

Duration of hospitalization

1.03 [1.01–1.05]

1.14 [1.02–1.26]

0.006^**

0.015^*

Foley catheterization

0.61 [0.34–1.04]

-

0.069

-

Ventilator dependency

0.77 [0.44–1.37]

-

0.375

-

Plasmapheresis

1.83 [1.01–3.30]

0.33 [0.03–4.00]

0.045^*

0.386

AChR-antibody positive

1.89 [0.98–3.68]

-

0.059

-

Laboratory data

 Hb

0.88 [0.78–1.00]

1.04 [0.56–1.94]

0.037^*

0.891

 Creatinine

1.08 [0.90–1.30]

-

0.385

-

 K

0.49 [0.28–0.85]

0.22 [0.01–2.43]

0.011^*

0.215

 Mg

0.16 [0.03–0.89]

0.01 [0.00–0.54]

0.037^*

0.024^*

 Albumin

0.63 [0.41–0.96]

0.47 [0.07–3.26]

0.030^*

0.449

 APTT

1.08 [1.01–1.16]

1.96 [1.03–3.70]

0.026^*

0.038^*

 Cortisol

0.96 [0.91–1.00]

-

0.065

-