Table 2.
Cohort-specific pregnancy outcomes
| Pregnancy Outcomes | Toronto PreKid Cohort | United States ARPD Cohort | P Value |
|---|---|---|---|
| Live birth rate (entire cohort) | 19 (86.4) | 43 (61.4) | 0.03 |
| Spontaneous abortion, first trimester | 1 (4.5) | 5 (7.1) | |
| Spontaneous abortion, second trimester | 0 (0) | 14 (20.0) | |
| Neonatal death | 1 (4.5) | 5 (7.1) | |
| Still birth | 1 (4.5) | 3 (4.3) | |
| Live birth rate (ESRD patients only) | 15 (83.3) | 30 (52.6) | 0.02 |
| Among patients with established ESRD | |||
| Dialysis time (h/wk) | 43±6 | 17±5 | <0.001 |
| Gestational age (wk) | 36 (32–37) | 27 (21–35) | 0.002 |
| Among patients with renal failure during pregnancy | |||
| Dialysis time (h/wk) | 33±6 | 15±4 | <0.001 |
| Gestational age (wk) | 34 (29–37) | 33 (31–37) | NS |
| All pregnancies (except first- and second-trimester spontaneous abortions | |||
| Dialysis time (h/wk) | 42±7 | 17±5 | <0.001 |
| Birth weight (g) | 2118±857 | 1748±949 | NS |
| Among surviving infants in established ESRD patients | |||
| Normal birth weight | 8 (50.0) | 10 (32.3) | NS |
| Low birth weight (<2500 g) | 7 (43.8) | 12 (38.7) | |
| Very low birth weight (<1500 g) | 1 (6.3) | 9 (29.0) |
Values are presented as n (%), mean±SD, or median (interquartile range). Values for gestational age are rounded to the nearest week.