Table 1.
Clinical Characteristics of Patients
| Asprin (N=25) | No Aspirin (N=67) | P Value | |
|---|---|---|---|
| Demographics | |||
| Race (%) | 0.09 | ||
| White | 0 (0) | 12 (17.91) | |
| Black | 22 (88.00) | 48 (71.64) | |
| Asian | 1 (4.00) | 1 (1.49) | |
| Multiracial | 1 (4.00) | 3 (4.48) | |
| Unknown | 1 (4.00) | 3 (4.48) | |
| Ethnicity (%) | 0.87 | ||
| Hispanic | 1 (4.00) | 4 (5.97) | |
| Non‐Hispanic | 22 (88.00) | 59 (88.06) | |
| Unknown | 2 (8.00) | 4 (5.97) | |
| Age, y | 34.29±5.44 | 28.63±7.26 | 0.001 |
| Prepregnancy body mass index (kg/m2) | 30.86±9.22 | 33.91±8.77 | 0.15 |
| Number of prenatal visits | 10 (8, 14) | 4 (1, 10) | 0.001 |
| Risk factors and comorbidities | |||
| Smoking status (%) | 0.71 | ||
| Never | 14 (56.00) | 45 (67.16) | |
| Past/quit before pregnancy | 7 (28.00) | 14 (20.90) | |
| Past/quit early in pregnancy | 1 (4.00) | 2 (2.99) | |
| Currently smokes | 2 (8.00) | 5 (7.46) | |
| Unknown | 1 (4.00) | 1 (1.49) | |
| Substance abuse (%) | 0 (0) | 9 (13.43) | 0.10 |
| Diabetes mellitus (%) | 8 (32.00) | 8 (11.94) | 0.02 |
| Previous history of preeclampsia (%) | 10 (40.00) | 9 (13.43) | 0.01 |
| Chronic hypertension (%) | 16 (64.00) | 26 (38.81) | 0.03 |
| History of cardiac disease (%) | 1 (4.00) | 2 (2.99) | 0.81 |
| Multiparity (%) | 24 (96.00) | 37 (55.22) | 0.0002 |
| Renal disease (%) | 2 (8.00) | 3 (4.48) | 0.51 |
| Autoimmune disease (%) | 1 (4.00) | 2 (2.99) | 0.81 |
| Diagnosis | |||
| Preeclampsia (%) | 11 (44.00) | 39 (58.21) | 0.22 |
| Superimposed preeclampsia (%) | 14 (56.00) | 28 (41.79) | |
| Hypertension | |||
| Hypertensive agents (%) | |||
| No agent | 4 (16.67) | 11 (16.42) | 0.95 |
| Single agent | 5 (20.83) | 16 (23.88) | |
| Multiple agent | 15 (62.50) | 40 (59.70) | |
| Delivery characteristics | |||
| Highest systolic blood pressure, mm Hg | 156 (137, 182) | 164 (153, 175) | 0.20 |
| Highest diastolic blood pressure, mm Hg | 87 (74, 96) | 94 (86, 107) | 0.02 |
| Mean arterial blood pressure, mm Hg | 110 (94, 123) | 118 (108, 127) | 0.04 |
| Gestational age, wk | 35.00 (33.50, 36.86) | 37.00 (34.86, 38.57) | 0.01 |
| Quantitative blood loss, mL | 427.5 (242.5, 1145.0) | 564.0 (269.0, 925.0) | 0.81 |
| Small for gestational age (%) | 6 (25.00) | 10 (15.63) | 0.31 |
Data are presented as mean±SD, median (quartile 1, quartile 3), or n (%) depending on variable type. These results are assessed between groups with a t test, Wilcoxon Rank Sum, or chi‐square test, respectively.