Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Demographic characteristics of the three groups.
| COVID-19 | CAP | Normal | p | |
|---|---|---|---|---|
| Patients, n(%) | 502 (52.7) | 290 (30.4) | 161 (16.9) | |
| Exams, n(%) | 1327 (41) | 929 (29) | 954 (30) | |
| Age, yrs | ||||
| Mean | 66.3 ± 15.1 | 66.8 ± 16.7 | 42.3 ± 18.6 | <0.001 |
| <40 | 31 (6.2) | 24 (8.3) | 87 (54) | |
| 40–65 | 182 (36.3) | 88 (30.3) | 51 (31.7) | |
| >65 | 289 (57.6) | 178 (61.4) | 23 (14.3) | |
| Sex, male/female | 289/213 | 174/116 | 81/80 | >0.05 |
