Table 2.
Demographics of Study Population
| COVID vs VRI | COVID vs No Infection | VRI vs No Infection | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Characteristics | Patients With SARS-CoV-2, No. (%) | Patients With VRI, No. (%) | P | Patients With SARS-CoV-2, No. (%) | Patients With No Infection, No. (%) | P | Patients With VRI, No. (%) | Patients With No Infection No. (%) | P |
| Total | 17 487 (100.0) | 17 487 (100.0) | - | 15 694 (100.0) | 15 694 (100.0) | 15 694 (100.0) | 15 694 (100.0) | ||
| Demographics | … | … | … | … | |||||
| Age | … | … | |||||||
| 18–24 y | 1871 (10.7) | 1764 (10.1) | .0608 | 1436 (9.1) | 1609 (10.3) | .001 | 1578 (10.1) | 1609 (10.3) | .5624 |
| 25–34 y | 2534 (14.5) | 2572 (14.7) | .565 | 2190 (14.0) | 2290 (14.6) | .1066 | 2288 (14.6) | 2290 (14.6) | .9745 |
| 35–49 y | 3717 (21.3) | 3797 (21.7) | .2976 | 3394 (21.6) | 3346 (21.3) | .5094 | 3409 (21.7) | 3346 (21.3) | .3869 |
| 50–64 y | 4525 (25.9) | 4655 (26.6) | .1141 | 4207 (26.8) | 4130 (26.3) | .3251 | 4192 (26.7) | 4130 (26.3) | .4279 |
| 65–80 y | 3839 (22.0) | 3701 (21.2) | .0727 | 3540 (22.6) | 3342 (21.3) | .0069 | 3349 (21.3) | 3342 (21.3) | .9231 |
| >80 y | 1001 (5.7) | 998 (5.7) | .9449 | 927 (5.9) | 977 (6.2) | .2371 | 878 (5.6) | 977 (6.2) | .0178 |
| Sex | … | … | |||||||
| Sex: male | 5919 (33.8) | 5921 (33.9) | .982 | 5362 (34.2) | 5108 (32.5) | .0024 | 5278 (33.6) | 5108 (32.5) | .0414 |
| Sex: female | 11 560 (66.1) | 11 561 (66.1) | .991 | 10 324 (65.8) | 10 581 (67.4) | .0021 | 10 411 (66.3) | 10 581 (67.4) | .0415 |
| Race/ethnicity | … | … | |||||||
| Race: White | 12 816 (73.3) | 12 802 (73.2) | .8657 | 11 353 (72.3) | 11 578 (73.8) | .0042 | 11 533 (73.5) | 11 578 (73.8) | .5643 |
| Race: Black | 1794 (10.3) | 1723 (9.9) | .2068 | 1591 (10.1) | 1479 (9.4) | .0333 | 1520 (9.7) | 1479 (9.4) | .4311 |
| Race: Hispanic | 720 (4.1) | 737 (4.2) | .6491 | 699 (4.5) | 504 (3.2) | <.0001 | 598 (3.8) | 504 (3.2) | .0039 |
| Race: Asian | 273 (1.6) | 254 (1.5) | .4043 | 244 (1.6) | 239 (1.5) | .8187 | 239 (1.5) | 239 (1.5) | 1 |
| Race: other | 1884 (10.8) | 1971 (11.3) | .1374 | 1807 (11.5) | 1894 (12.1) | .1278 | 1804 (11.5) | 1894 (12.1) | .1151 |
P values were calculated using a 2-tailed chi-square test.
Abbreviations: SARS-CoV-2, severe acute respiratory syndrome coronavirus 2; VRI, viral respiratory infection.