Table 1. Demographic Characteristics of Participants With a Positive Sudden Acute Respiratory Syndrome Coronavirus 2 Diagnosis in Stanford, California, March 2020.
| Characteristic | Participants, No. (%) |
|---|---|
| Sex | |
| Male | 16 (53) |
| Female | 14 (47) |
| Race/ethnicity | |
| White | 20 (66) |
| Asian | 3 (10) |
| Hispanic or Latino | 2 (7) |
| Native Hawaiian or Pacific Islander | 1 (3) |
| Other | 2 (7) |
| Unknown | 2 (7) |
| Age, y | |
| 19-30 | 3 (10) |
| 31-40 | 8 (27) |
| 41-50 | 5 (17) |
| 51-60 | 7 (23) |
| 61-70 | 3 (10) |
| 71-80 | 4 (13) |
| Possible exposure | |
| Travel | 5 (17) |
| Close contact with a patient with coronavirus disease 2019 | 4 (13) |
| Close contact with influenza-like illness | 3 (10) |
| Exposure unknown | 18 (60) |
| Symptoms at initial visit | |
| Cough | 20 (67) |
| Fever | 13 (43) |
| Sore throat | 8 (27) |
| Shortness of breath | 7 (23) |
| Congestion | 6 (20) |
| Myalgia | 6 (20) |
| Chest pain | 5 (17) |
| Headache | 4 (13) |
| Rhinorrhea | 3 (10) |
| Diarrhea | 2 (7) |
| Fatigue | 2 (7) |
| Weakness | 1 (3) |
| Decreased sense of taste | 1 (3) |
| Syncope | 1 (3) |
| Comorbidities | |
| Any comorbidity | 16 (53) |
| Hypertension | 5 (17) |
| Hyperlipidemia | 5 (17) |
| Asthma | 3 (10) |
| Diabetes | 2 (7) |
| Obesity (body mass index >30)a | 2 (7) |
| Otherb | 11 (37) |
| Coinfections | |
| Any coinfections | 5 (17) |
| Rhinovirus | 1 (3) |
| Respiratory syncytial virus | 1 (3) |
| Seasonal coronavirus | 1 (3) |
| Parainfluenza (1, 3, or 4) | 2 (7) |
a
Body mass index is calculated as weight in kilograms divided by height in meters squared.
b
Includes comorbidities such as chronic pain, arthritis, anxiety, depression, and constipation.