Table 10 Multivariable binary logistic regression analysis for predictors of complete recovery of smell/taste in COVID-19 patients

Age > 50 years (= 1)

− 0.541

0.299

3.285

1

0.070

0.582

0.324

1.045

Smoking (= 1)

1.283

0.434

8.719

1

0.003

3.606

1.539

8.450

Heart disease (= 1)

− 0.302

0.363

0.696

1

0.404

0.739

0.363

1.504

DM (= 1)

21.093

15981.299

0.000

1

0.999

1.45E+09

0.000

NC

56 general symptoms (= 1)

− 0.681

0.546

1.551

1

0.213

0.506

0.174

1.477

Nasal symptoms (= 1)

− 0.454

0.282

2.584

1

0.108

0.635

0.365

1.105

Constant

1.150

0.516

4.975

1

0.026

3.158