Table 1.
Demographic and clinical factors in total study population compared across HDP type.
| Characteristics | All (N = 1,641) | Eclampsia/severe preeclampsia (N = 289) | Chronic hypertension with superimposed preeclampsia (N = 401) | Preeclampsia (N = 557) | Gestational hypertension (N = 394) | P value |
|---|---|---|---|---|---|---|
| Age (years) | 30.5 ± 6.5 | 29.3 ± 6.7 | 32.2 ± 6.6 | 29.6 ± 6.4 | 30.7 ± 6.0 | <0.001 |
| Race | <0.001 | |||||
| White | 604 (36.8%) | 110 (38.1%) | 129 (32.2%) | 193 (34.7%) | 172 (43.7%) | |
| Black | 673 (41.0%) | 107 (37.0%) | 196 (48.9%) | 216 (38.8%) | 154 (39.1%) | |
| Other | 364 (22.2%) | 72 (24.9%) | 76 (19.0%) | 148 (26.6%) | 68 (17.3%) | |
| Ethnicity | <0.001 | |||||
| Hispanic | 257 (15.7%) | 54 (18.7%) | 47 (11.7%) | 113 (20.3%) | 43 (10.9%) | |
| Not hispanic or unknown | 1,384 (84.3%) | 235 (81.3%) | 354 (88.3%) | 444 (79.7%) | 351 (89.1%) | |
| Year of delivery | <0.001 | |||||
| 2014–2015 | 562 (34.3%) | 256 (88.6%) | 99 (24.7%) | 83 (14.9%) | 124 (31.5%) | |
| 2016–2017 | 1,079 (65.8%) | 33 (11.4%) | 302 (75.3%) | 474 (85.1%) | 270 (68.5%) | |
| Site of delivery | 0.171 | |||||
| Site A | 783 (47.7%) | 137 (47.4%) | 173 (43.1%) | 279 (50.1%) | 194 (49.2%) | |
| Site B | 858 (52.3%) | 152 (52.6%) | 228 (56.9%) | 278 (49.9%) | 200 (50.8%) | |
| Primary payor | <0.001 | |||||
| Government | 851 (51.2%) | 165 (57.1%) | 200 (49.9%) | 307 (55.1%) | 179 (45.4%) | |
| Commercial | 630 (38.4%) | 116 (40.1%) | 154 (38.4%) | 191 (34.3%) | 169 (42.9%) | |
| Other (including self-pay) | 160 (9.8%) | 8 (2.8%) | 47 (11.7%) | 59 (10.6%) | 46 (11.7%) | |
| Pregnancy characteristics | ||||||
| Gestational onset of HDP (weeks) | 34.8 ± 4.7 | 31.6 ± 6.2 | 34.3 ± 4.4 | 35.0 ± 3.9 | 36.0 ± 5.1 | <0.001 |
| Gestational diabetes | 381 (23.2%) | 51 (17.7%) | 107 (26.7%) | 128 (23.0%) | 95 (24.1%) | 0.043 |
| Past medical history | ||||||
| Hypertension | 501 (30.5%) | 77 (26.6%) | 253 (63.1%) | 78 (14.0%) | 93 (23.6%) | <0.001 |
| Type 1 DM | 77 (4.7%) | 12 (4.2%) | 26 (6.5%) | 29 (5.2%) | 10 (2.5%) | 0.047 |
| Type 2 DM | 191 (11.6%) | 18 (6.2%) | 69 (17.2%) | 56 (10.1%) | 48 (12.2%) | <0.001 |
| Prediabetes | 84 (5.1%) | 20 (6.9%) | 18 (4.5%) | 23 (4.1%) | 23 (5.8%) | 0.297 |
| Renal disease | 34 (2.1%) | 4 (1.4%) | 19 (4.7%) | 6 (1.1%) | 5 (1.3%) | 0.001 |