Table 2 Summary of the linear regressions on smell, taste, and chemesthesis recovery.

From: Assessing the extent and timing of chemosensory impairments during COVID-19 pandemic

 

F value

Pr( >|t|)

Smell recovery

(Intercept)

2.308

 < 0.001

Region

8.155

0.004

Type of diagnosis

2.056

0.128

Number of symptoms

4.274

0.039

Time from onset

0.159

0.689

Smoking

2.104

0.147

Age

10.505

0.001

Region: time from onset

5.647

0.017

Type of diagnosis: number of symptoms

2.242

0.106

Residual standard error: 32.53 on 962 degrees of freedom

Multiple R-squared: 0.1787, adjusted R-squared: 0.1693

F(11, 962) = 19.03, p-value: < 0.001

Taste recovery

(Intercept)

17.29

 < 0.001

Region

20.562

 < 0.001

Number of symptoms

3.539

0.060

Time from onset

13.95

 < 0.001

Smoking

5.514

0.019

Before rating

10.607

 < 0.001

Age

24.247

 < 0.001

Region: time from onset

11.783

 < 0.001

Residual standard error: 34.47 on 966 degrees of freedom

Multiple R-squared: 0.06, adjusted R-squared: 0.06

F(7, 966) = 10.11, p-value: < 0.001

Chemesthesis recovery

(Intercept)

1.490

0.222

Region

3.885

0.050

Type of diagnosis

1.790

0.167

Number of symptoms

0.007

0.93

Time from onset

7.72

0.005

Smoking

4.82

0.028

Before rating

25.095

 < 0.001

Age

4.921

0.026

Type of diagnosis: number of symptoms

2.334

0.097

Residual standard error: 34.07 on 963 degrees of freedom

Multiple R-squared: 0.055, adjusted R-squared: 0.045

F(10, 963) = 5.61, p-value: < 0.001

  1. Significant differences are marked in bold.