Table 1. Baseline Characteristics of Patients At Time of First Pregnancy, Stratified by the Occurrence of Aortic Complications During Pregnancy.
Characteristic* | Aortic Complication (N = 36) | No Aortic Complication (N = 4,933,661) | P Value |
---|---|---|---|
Age, mean (SD), y | 29.2 (7.0) | 27.3 (6.8) | 0.11 |
Age <35 years | 27 (75.0) | 4,027,057 (81.6) | 0.31 |
White race† | 11 (30.6) | 2,121,171 (43.0) | 0.13 |
Private insurance | 15 (41.7) | 2,732,249 (55.4) | 0.10 |
Vascular risk factors | |||
Absence of pre-existing hypertension | 31 (86.1) | 4,895,363 (99.2) | <0.001 |
Absence of pre-eclampsia | 21 (58.3) | 4,505,942 (91.3) | <0.001 |
Absence of eclampsia | 36 (100.0) | 4,929,694 (99.9) | 0.87 |
Absence of connective tissue disorder§ | 32 (88.9) | 4,933,033 (99.9) | <0.001 |
Abbreviations: SD, standard deviation.
Data are presented as number (%) of participants unless otherwise specified. Comparisons were made using the chi-square test or t-test.
Self-reported by patients or their surrogates.
Marfan, Turner, or Ehler-Danlos Syndromes.