Table. Clinical Characteristics of the Study Patients.
| Characteristic | Data (n = 276)a |
|---|---|
| Age, median (IQR), y | 51 (41-58) |
| Severe illness | 14 (5.1) |
| Male | 155 (56.2) |
| Reason for wearing eyeglasses | |
| Presbyopia | 14 (5.1) |
| Myopia | 16 (5.8) |
| Wearing glasses >8 h/d | 16 (5.8) |
| Current smokers | 42 (15.2) |
| BMI, median (IQR) | 23.7 (22.0-25.4) |
| Exposure historyb | |
| Recently visited Wuhan | 43 (15.6) |
| Contact with people who had traveled to Wuhan or diagnosed with COVID-19 | 166 (60.1) |
| Contact with wildlife | 0 |
| Median incubation period, median (IQR), dc | 6.0 (4.0-9.0) |
| Symptoms | |
| Fever | 227 (82.2) |
| Cough | 218 (79.0) |
| Sputum production | 137 (49.6) |
| Fatigue | 141 (51.1) |
| Shortness of breath | 42 (15.2) |
| Comorbidities | |
| Any | 88 (31.9) |
| Hypertension | 47 (17.0) |
| Chronic obstructive pulmonary disease | 7 (2.5) |
| Diabetes | 14 (5.1) |
| Coronary heart disease | 12 (4.3) |
| Cerebrovascular disease | 6 (2.2) |
| Cancerd | 3 (1.1) |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by square of height in meters); COVID-19, coronavirus disease 2019; IQR, interquartile range.
a
Unless otherwise indicated, data are expressed as number (percentage) of patients.
b
Source of exposure was unknown in 67 patients.
c
Undetermined incubation period for 205 patients.
d
Included any kind of cancer.