Table 2 Maternal medical conditions, pregnancy characteristics and COVID-19 severity of pregnant women admitted with SARS-CoV-2, by symptom group, March 1, 2020, to March 31, 2022, United Kingdom
From: Perinatal outcomes after admission with COVID-19 in pregnancy: a UK national cohort study
Symptom group | Asymptomatic (N = 9374) | Mild infection (N = 4901) | Moderate to severe infectiona (N = 2352) |
|---|---|---|---|
Pre-existing medical conditions - no. (%) | |||
Asthma | 552 (5.9) | 375 (7.7) | 231 (9.8) |
Hypertension | 155 (1.7) | 80 (1.6) | 55 (2.3) |
Cardiac disease | 114 (1.2) | 68 (1.4) | 38 (1.6) |
Diabetes | 132 (1.4) | 71 (1.5) | 60 (2.6) |
Medical conditions during pregnancy - no. (%) | |||
Pre-eclampsia | 141 (1.5) | 73 (1.5) | 49 (2.1) |
Gestational diabetes | 595 (6.4) | 354 (7.2) | 263 (11.2) |
Multiparous - no. (%) | 5749 (61.9) | 3038 (62.4) | 1626 (69.8) |
Missing | 90 | 35 | 22 |
Multiple pregnancy - no. (%) | 140 (1.5) | 96 (2.0) | 51 (2.2) |
Gestation at admission (weeksdays) - no. (%) | |||
<22 | 463 (5.0) | 468 (9.6) | 194 (8.3) |
22-27+6 | 300 (3.2) | 445 (9.1) | 415 (17.8) |
28-33+6 | 639 (6.9) | 863 (17.7) | 738 (31.7) |
34−36+6 | 915 (9.8) | 729 (14.9) | 455 (19.5) |
37 or more | 6987 (75.1) | 2374 (48.7) | 529 (22.7) |
Missing | 70 | 22 | 21 |
Evidence of pneumonia on imaging - no. (%) | - | - | 1695 (72.1) |
Respiratory support required - no. (%) | -b | - | 1709 (76.2) |
Intensive Care Unit admission - no. (%) | -b | - | 771 (32.8) |
Maternal Death - no. (%) | 1 (0.01) | - | 38 (1.6) |
