Table 1. Individuals’ Characteristics by SARS-CoV-2 Positivity, Hospitalization, and ICU Admission.
| Characteristic | Individuals, No. (%) | P value | |
|---|---|---|---|
| Tested for SARS-CoV-2 | |||
| Negative results | Positive results | ||
| No. | 96 328 | 11 468 | |
| Age, mean (SD), y | 45.1 (17.9) | 44.6 (16.8) | .003 |
| Sex | |||
| Women | 74 439 (77.3) | 8436 (73.6) | <.001 |
| Men | 21 889 (22.7) | 3032 (26.4) | |
| White racea | 89 718 (93.1) | 9876 (86.1) | <.001 |
| Blood typeb | |||
| A | 38 872 (40.4) | 4545 (39.6) | .24 |
| B | 8912 (9.3) | 1037 (9.0) | |
| AB | 3145 (3.3) | 365 (3.2) | |
| O | 45 399 (47.1) | 5521 (48.1) | |
| With positive SARS-CoV-2 results, by hospitalization status | |||
| Nonhospitalized | Hospitalized | ||
| No. | 9142 | 2326 | |
| Age, mean (SD), y | 41.4 (14.9) | 57.0 (18.1) | <.001 |
| Sex | |||
| Women | 7271 (79.5) | 1165 (50.1) | <.001 |
| Men | 1871 (20.5) | 1161 (49.9) | |
| White racea | 8106 (88.7) | 1770 (76.1) | <.001 |
| Blood typeb | |||
| A | 3648 (39.9) | 897 (38.6) | .54 |
| B | 832 (9.1) | 205 (8.8) | |
| AB | 286 (3.1) | 79 (3.4) | |
| O | 4376 (47.9) | 1145 (49.2) | |
| Hospitalized, by ICU status | |||
| Non-ICU | ICU | ||
| No. | 1620 | 706 | |
| Age, mean (SD), y | 55.4 (18.8) | 60.7 (15.8) | <.001 |
| Sex | |||
| Women | 895 (55.2) | 270 (38.2) | <.001 |
| Men | 725 (44.8) | 436 (61.8) | |
| White racea | 1264 (78.0) | 506 (71.7) | .002 |
| Blood typeb | |||
| A | 640 (39.5) | 257 (36.4) | .27 |
| B | 144 (8.9) | 61 (8.6) | |
| AB | 59 (3.6) | 20 (2.8) | |
| O | 777 (48.0) | 368 (52.1) | |
Abbreviation: ICU, intensive care unit.
a
Race was self-defined. Other races included African American (865 individuals [0.8%]); American Indian or Alaskan Native (788 individuals [0.7%]), Native Hawaiian or Pacific Islander (1661 individuals [1.5%]), Asian (1275 individuals [1.2%]), and unknown or declined to answer (3663 individuals [3.4%]).
b
ABO typing generally preceded or was concurrent with polymerase chain reaction testing (101 040 individuals [93.7%]). Significance across ABO groups for each of the 3 end points was set at P < .0167.