Table 2.
Characteristic | Estimated No of maternities | No of pregnant women admitted with SARS-CoV-2 | Incidence per 1000 maternities | Rate ratio (95% CI) |
---|---|---|---|---|
Age*, years: | ||||
<20 | 2532 | 4 | 1.6 | 0.4 (0.1 to 1.1) |
20-34 | 63 768 | 248 | 3.9 | 1 (reference) |
≥35 | 19 992 | 175 | 8.8 | 2.3 (1.8 to 2.7) |
Body mass index†: | ||||
Normal (<25) | 36 377 | 126 | 3.5 | 1 (reference) |
Overweight (25 to <30) | 20 836 | 141 | 6.8 | 2.0 (1.5 to 2.5) |
Obese (≥30) | 16 154 | 140 | 8.7 | 2.5 (2.0 to 3.2) |
Ethnic group (England only)‡: | ||||
White | 49 282 | 173 | 3.5 | 1 (reference) |
Asian | 7400 | 103 | 13.9 | 4.0 (3.1 to 5.1) |
Black | 3135 | 89 | 28.4 | 8.1 (6.2 to 10.5) |
Chinese/other | 2960 | 28 | 9.5 | 2.7 (1.7 to 4.0) |
Mixed | 1304 | 9 | 6.9 | 2.0 (0.9 to 3.8) |
Estimated number of maternities based on number of maternities in UK occurring during March and 14/30 of April 2018. Four women with unknown age excluded from denominator.
Estimated number of maternities based on number of maternities in GB during March and 14/30 of April in year April 2016 to 31 March 2017. Women with unknown body mass index excluded from both numerator (20) and denominator (12 291).
Estimated number of maternities based on number of maternities in England occurring during March and 14/30 of April 2018. Women with unknown ethnicity excluded from both numerator (10) and denominator (7996).