Table 1.
Characteristics of patients in MSH training dataset, and MSH and MSW test dataset.
| Cohorts | Mount Sinai Hospital (MSH) training set | Mount Sinai Hospital (MSH) test set | Mount Sinai West/UW/BI/SL test set | P-value | Test |
|---|---|---|---|---|---|
| Features at Baseline | 60879 | 38421 | 9257 | ||
| Age at pregnancy, median [Q1,Q3] | 31.0 [26.0,35.0] | 31.0 [27.0,35.0] | 33.0 [29.0,36.0] | <0.001 | Kruskal–Wallis |
| Weight (kg), median [Q1,Q3] | 63.5 [56.0,74.4] | 63.5 [56.2,74.4] | 63.0 [56.2,72.6] | 0.084 | Kruskal–Wallis |
| Height (cm), median [Q1,Q3] | 162.6 [157.5,167.6] | 162.6 [157.5,167.6] | 163.8 [160.0,168.9] | <0.001 | Kruskal–Wallis |
| BMI (kg/m2), median [Q1,Q3] | 23.8 [21.1,28.0] | 24.0 [21.2,28.1] | 23.2 [20.9,26.6] | <0.001 | Kruskal–Wallis |
| SBP (mmHg), median [Q1,Q3] | 110.0 [104.0,120.0] | 112.0 [106.0,120.0] | 112.5 [108.0,120.0] | <0.001 | Kruskal–Wallis |
| DBP (mmHg), median [Q1,Q3] | 67.5 [60.0,72.0] | 69.0 [62.0,74.0] | 70.0 [66.0,76.0] | <0.001 | Kruskal–Wallis |
| Race, n (%) | |||||
| African American/Black | 8336 (13.7) | 3246 (8.4) | 1399 (15.1) | <0.001 | Chi-squared |
| Asian | 4623 (7.6) | 2754 (7.2) | 1123 (12.1) | ||
| Caucasian/White | 32662 (53.7) | 25686 (66.9) | 4622 (49.9) | ||
| Hispanic/Latino | 9928 (16.3) | 3253 (8.5) | 280 (3.0) | ||
| Multi-racial | 589 (1.0) | 208 (0.5) | 110 (1.2) | ||
| Native American | 227 (0.4) | 111 (0.3) | 73 (0.8) | ||
| Other | 4112 (6.8) | 2386 (6.2) | 1090 (11.8) | ||
| Unknown | 402 (0.7) | 777 (2.0) | 560 (6.0) | ||
| Medicaid, n (%) | 22773 (37.4) | 9956 (25.9) | 1362 (14.7) | <0.001 | Chi-squared |
| Miscarriage history, n (%) | 1167 (1.9) | 331 (0.9) | 299 (3.2) | <0.001 | Chi-squared |
| PE history, n (%) | 350 (0.6) | 140 (0.4) | 28 (0.3) | <0.001 | Chi-squared |
| Smoking history, n (%) | 5876 (9.7) | 2135 (5.6) | 544 (5.9) | <0.001 | Chi-squared |
| Alcohol use history, n (%) | 8941 (14.7) | 3902 (10.2) | 546 (5.9) | <0.001 | Chi-squared |
| hospital, n (%) | |||||
| Mount Sinai Hospital—Main Hospital | 60879 (100.0) | 38421 (100.0) | <0.001 | Chi-squared | |
| Mount Sinai West/UW/BI/SL | 9257 (100.0) | ||||
| PE type, n (%) | |||||
| Antepartum | 1213 (2.0) | 437 (1.1) | 140 (1.5) | <0.001 | Chi-squared |
| Intrapartum | 3787 (6.2) | 1322 (3.4) | 206 (2.2) | ||
| None | 55216 (90.7) | 36357 (94.6) | 8859 (95.7) | ||
| Postpartum | 663 (1.1) | 305 (0.8) | 52 (0.6) | ||
| Pregnancy journey length (days), median [Q1,Q3] | 273 [266,280] | 275 [267,281] | 277 [270,282] | <0.001 | Kruskal–Wallis |