| | |
Number of days of admission after delivery
|
Unadjusted
|
Adjustedb
|
|---|
|
na
|
Mean (SD)
|
Median (IQR)
|
RR
|
95% CI
|
p-value
|
RR
|
95% CI
|
p-value
|
|---|
|
Maternal congenital heart disease
| | | | | |
< 0.001
| | |
< 0.001
|
|
No
|
935,959
|
3.6 (3.7)
|
3 (1–4)
|
1 (ref)
|
–
| |
1 (ref)
|
–
| |
|
Simple
|
2242
|
3.9 (4.4)
|
3 (2–5)
|
1.10
|
1.05–1.16
| |
1.12
|
1.07–1.18
| |
|
Moderate
|
1093
|
4.0 (3.8)
|
3 (2–5)
|
1.13
|
1.06–1.20
| |
1.14
|
1.07–1.21
| |
|
Complex
|
384
|
5.1 (6.7)
|
4 (2–5)
|
1.42
|
1.22–1.66
| |
1.45
|
1.24–1.70
| |
- aNumber of births in the unadjusted analysis
- bAdjusted for maternal age, year of delivery, parity, ethnicity, and maternal educational level
