Table 1 Incidence of maternal mental illness hospitalization according to severity of preterm birth
From: Longitudinal risk of maternal hospitalization for mental illness following preterm birth
Total no. of women | No. of women hospitalized for mental illness | Incidence per 1000 person-years (95% confidence interval) | Cumulative incidence per 1000 women at 32 years of follow-up (95% confidence interval) | |
|---|---|---|---|---|
Preterm birth, weeks | ||||
<37 | 99,411 | 6362 | 3.81 (3.72-3.90) | 119.9 (113.1-126.9) |
<28 | 6716 | 399 | 3.84 (3.48-4.23) | 116.0 (102.6-130.3) |
28-31 | 8866 | 581 | 3.98 (3.67-4.32) | 119.8 (107.0-133.3) |
32-36 | 83,829 | 5382 | 3.79 (3.69-3.89) | 120.1 (112.4-128.1) |
≥37 | 1,281,889 | 66,789 | 3.01 (2.99-3.04) | 96.8 (95.8-97.9) |