Table 2.
All Strokes | Stroke Cases, n | Person‐Years | Rate (Per 100 000 Person‐Years) | 95% CI | Adjusted Rate Ratioa | 95% CI |
---|---|---|---|---|---|---|
Nonpregnant timeb | 2440 | 9 759 438 | 25.0 | 24.0–26.0 | Reference | |
Antepartum | 33 | 308 378 | 10.7 | 7.6–15.1 | 0.6 | 0.5–0.9 |
First trimester | 8 | 94 973 | 8.4 | 4.2–16.8 | 0.5 | 0.3–1.0 |
Second trimester | 13 | 119 521 | 10.9 | 6.3–18.7 | 0.7 | 0.4–1.1 |
Third trimester | 12 | 93 884 | 12.8 | 7.3–22.0 | 0.8 | 0.4–1.3 |
Peripartum | 8 | 4967 | 161.1 | 80.6–322.1 | 9.4 | 4.7–18.8 |
Postpartum | 30 | 98 191 | 30.6 | 21.4–43.7 | 1.8 | 1.2–2.5 |
Early postpartum | 23 | 48 796 | 47.1 | 31.3–70.9 | 2.7 | 1.8–4.1 |
Late postpartum | 7 | 49 395 | 14.2 | 6.8–29.7 | 0.8 | 0.4–1.7 |
Rate ratio adjusted for maternal age, socioeconomic deprivation, and calendar time.
Excluding the first 12 weeks postpartum.