Table 2. Baseline characteristics of pregnancies among women of childbearing age separated by conception year post-transplant.
| Characteristics of Pregnancies | All+ (n = 293) | Conception within first year post-transplant (n = 67) | Conception within second year post-transplant (n = 113) | Conception within third year post-transplant (n = 113) | P Value |
|---|---|---|---|---|---|
| Age at transplantation (years)* | 27 (6) | 29 (7) | 26 (6) | 27 (6) | 0.0088 |
| 0.1414 | |||||
| 15–19 | 11.6 | 7.5 | 13.3 | 12.4 | |
| 20–24 | 20.1 | 19.4 | 21.2 | 19.5 | |
| 25–29 | 30.0 | 23.9 | 31.9 | 31.9 | |
| 30–34 | 24.6 | 23.9 | 22.1 | 27.4 | |
| 35–45 | 13.7 | 25.4 | 11.5 | 8.9 | |
| Race | 0.1307 | ||||
| Black | 29.4 | 40.3 | 31.9 | 20.4 | |
| Hispanic | 30.0 | 20.9 | 31.0 | 34.5 | |
| White | 35.2 | 32.8 | 32.7 | 38.9 | |
| Other/unknown | 5.5 | 6.0 | 4.4 | 6.2 | |
| Donor type | 0.7026 | ||||
| Living | 34.5 | 34.3 | 31.9 | 37.2 | |
| Deceased | 65.5 | 65.7 | 68.1 | 62.8 | |
| Cause of ESKD | 0.6594 | ||||
| Cystic/hereditary | 6.8 | 4.5 | 8.0 | 7.1 | |
| Diabetes mellitus | 8.2 | 10.5 | 7.1 | 8.0 | |
| GN/vasculitis | 51.2 | 58.2 | 46.9 | 51.3 | |
| Hypertension/LVD | 12.0 | 13.4 | 11.5 | 11.5 | |
| Other | 21.8 | 13.4 | 26.6 | 22.1 | |
| GFR at six months after transplantation (ml/min/1.73 m2)* | 66.0 (23.0) | 63.6 (20.3) | 65.2 (23.9) | 68.1 (23.5) | 0.3959 |
| 0.8371 | |||||
| ≥60 | 57.0 | 55.2 | 54.0 | 61.1 | |
| <60 | 42.0 | 43.3 | 45.1 | 38.1 | |
| Missing creatinine value | 1.0 | 1.5 | 0.9 | 0.9 | |
| Duration of dialysis (years) | 0.4004 | ||||
| <3 | 54.9 | 47.8 | 56.6 | 57.5 | |
| ≥3 | 45.1 | 52.2 | 43.4 | 42.5 | |
| Comorbidities | |||||
| Diabetes mellitus | 9.2 | 13.4 | 5.3 | 10.6 | 0.1533 |
| Hypertension | 75.1 | 83.6 | 73.5 | 71.7 | 0.1785 |
| Congestive heart failure | 6.1 | 13.4 | 3.5 | 4.4 | 0.0176 |
| Outcomes of pregnancy | |||||
| Live birth | 39.4 | 36.8 | 38.9 | 41.2 | |
| Still birth | 3.1 | 2.9 | 1.8 | 4.4 | |
| Ectopic | 1.4 | 1.5 | 0.0 | 2.6 | |
| Abortion | 30.9 | 26.5 | 35.4 | 29.0 | |
| Unknown | 25.4 | 32.4 | 23.9 | 22.8 | |
| Region | 0.0905 | ||||
| Northeast | 19.8 | 23.9 | 23.0 | 14.2 | |
| South | 32.1 | 31.3 | 35.4 | 29.2 | |
| Midwest | 23.9 | 29.9 | 19.5 | 24.8 | |
| West | 24.2 | 14.9 | 22.1 | 31.9 |
*Reported in mean (standard deviation); ESKD, end stage renal disease; GN, glomerulonephritis; LVD, large vessel disease; GFR, glomerular filtration rate
+Multiple pregnancies are possible per woman