TABLE 1.
Characteristics of the sample by pregnancy statusª
| Pregnant (n=2265) | Postpartum (n=630) | Non‐obstetric (n=21 910) | P value | |
|---|---|---|---|---|
| Age (years)‐median (range) | 29 (11–44) | 30 (12–44) | 36 (10–44) | <0.0001 |
| Age (years) | ||||
| <20 | 211 (9.3) | 62 (9.8) | 997 (4.6) | |
| 20–34 | 1541 (68.0) | 404 (64.1) | 8551 (39.0) | <0.0001 |
| >34 | 513 (22.6) | 164 (26.0) | 12 262 (56.4) | |
| Ethnicity | ||||
| White | 578 (25.5) | 130 (20.6) | 6612 (30.2) | <0.0001 |
| Black | 110 (4.9) | 37 (5.9) | 915 (4.2) | |
| Yellow | 20 (0.9) | 6 (1.0) | 224 (1.0) | |
| Brown/Pardo | 1040 (45.9) | 324 (51.4) | 7243 (33.1) | |
| Indigenous | 25 (1.1) | 6 (1.0) | 66 (0.3) | |
| Unknown | 492 (21.7) | 127 (20 | 6850 (31.3) | |
| SpO2 <95% at notification | 490 (21.6) | 219 (34.8) | 7762 (35.4) | <0.0001 |
| No risk factor or co‐morbidity | 1683 (74.3) | 440 (69.8) | 13 897 (63.4) | <0.0001 |
| Cancer | 5 (0.2) | 4 (0.6) | 415 (1.9) | <0.0001 |
| Cardiovascular diseases | 216 (9.5) | 95 (15.1) | 2963 (13.5) | <0.0001 |
| Diabetes mellitus | 178 (7.9) | 51 (8.1) | 1952 (8.9) | 0.20 |
| Gastrointestinal diseases | 4 (0.2) | 3 (0.5) | 55 (0.3) | 0.41 |
| Hematological diseases | 30 (1.3) | 3 (0.5) | 282 (1.3) | 0.19 |
| Immunosuppression or HIV/AIDS | 28 (1.2) | 13 (2.1) | 676 (3.1) | <0.0001 |
| Kidney diseases | 10 (0.4) | 10 (1.6) | 511 (2.3) | <0.0001 |
| Liver diseases | 5 (0.2) | 4 (0.6) | 95 (0.4) | 0.23 |
| Neurological diseases or stroke | 20 (0.9) | 4 (0.6) | 387 (1.8) | 0.0009 |
| Obesity | 92 (4.1) | 41 (6.5) | 1912 (8.7) | <0.0001 |
| Respiratory diseases (including asthma) | 104 (4.6) | 21 (3.3) | 1385 (6.3) | 0.0001 |
| Rheumatological diseases | 6 (0.3) | 3 (0.5) | 200 (0.9) | 0.003 |
| Thrombotic events or vascular diseases | 3 (0.1) | 2 (0.3) | 44 (0.2) | 0.62 |
| Thyroid diseases | 38 (1.7) | 3 (0.5) | 273 (1.2) | 0.043 |
a
Values are given as number (percentage) if no otherwise specified.