Table 1 Clinical characteristics of the study population.

From: Ocular surface manifestation of COVID-19 and tear film analysis

Age, years

77.1 ± 12.6

Male, n (%)

15 (51.7%)

Disease severity

 Severe, n (%)

7 (24.1%)

 Moderate, n (%)

22 (75.9%)

Duration of COVID-19, days

18.7 ± 7.9

 0 − 10 days

5 (17.2%)

 10 − 20 days

11 (38%)

  > 20 days

13 (44.8%)

Temperature, °C

37.3 ± 0.8

Comorbidities

 Hypertension, n (%)

25 (86.2%)

 Diabetes, n (%)

18 (62.1%)

 Obesity, n (%)

13 (44.8%)

 Coronary heart disease, n (%)

8 (27.5%)

 Cerebrovascular disease, n (%)

7 (24.1%)

 Atrial fibrillation, n (%)

7 (24.1%)

 Neurological disease, n (%)

4 (13.8%)

 Cancer, n (%)

9 (31%)

 BPCO, n (%)

9 (31%)

 Smoker, n (%)

5 (17.2%)

 Chronic renal disease, n (%)

7 (24.1%)

Therapy

 Antibiotics, n (%)

26 (89.6%)

 Antiviral, n (%)

9 (31%)

 Corticosteroids, n (%)

13 (44.8%)

 Low molecular weight heparin, n (%)

26 (89.6%)

 Hydroxychloroquine, n (%)

19 (65.5%)

  1. n = number of patients; temperature refers to the measurement during ophthalmologic evaluation.