Table 2.
Distribution of clinical pathway elements across clusters
| Variables | Cluster 1 (N = 1934) |
Cluster 2 (N = 4129) |
Cluster 3 (N = 2886) |
P-value |
|---|---|---|---|---|
| Diagnosis | ||||
| Anxiety history, no. (%) | 111 (5.74) | 86 (2.08) | 26 (0.90) | < 0.001 |
| Other disorder history, no. (%) | 83 (4.29) | 89 (2.16) | 35 (1.21) | < 0.001 |
| Mood disorder history, no. (%) | 75 (3.88) | 61 (1.48) | 32 (1.11) | < 0.001 |
| Depression in pregnancy, no. (%) | 28 (1.45) | 24 (0.58) | 12 (0.42) | < 0.001 |
| Anxiety in pregnancy, no. (%) | 41 (2.12) | 24 (0.58) | 9 (0.31) | < 0.001 |
| Mental disorder in pregnancy, no. (%) | 21 (1.09) | 22 (0.53) | 13 (0.45) | 0.014 |
| Palpitations, no. (%) | 57 (2.95) | 56 (1.36) | 19 (0.66) | < 0.001 |
| Diarrhea, no. (%) | 48 (2.48) | 52 (1.26) | 27 (0.94) | < 0.001 |
| Vomiting in pregnancy, no. (%) | 50 (2.59) | 85 (2.06) | 44 (1.52) | 0.034 |
| Hypertensive disorder, no. (%) | 28 (1.45) | 43 (1.04) | 12 (0.42) | 0.001 |
| Acute pharyngitis, no. (%) | 40 (2.07) | 31 (0.75) | 12 (0.42) | < 0.001 |
| Hemorrhage in early pregnancy antepartum, no. (%) | 29 (1.50) | 35 (0.85) | 15 (0.52) | 0.002 |
| Threatened miscarriage, no. (%) | 170 (8.79) | 164 (3.97) | 54 (1.87) | < 0.001 |
| Abdominal pain, no. (%) | 195 (10.08) | 241 (5.84) | 112 (3.88) | < 0.001 |
| Migraine, no. (%) | 28 (1.45) | 25 (0.61) | 8 (0.28) | < 0.001 |
| Hypothyroidism, no. (%) | 337 (17.43) | 342 (8.28) | 148 (5.13) | < 0.001 |
| Placental infarct, no. (%) | 77 (3.98) | 82 (1.99) | 71 (2.46) | < 0.001 |
| Deliveries by cesarean, no. (%) | 510 (26.37) | 833 (20.17) | 535 (18.54) | < 0.001 |
| Primigravida, no. (%) | 1206 (62.36) | 2453 (59.41) | 1024 (35.48) | < 0.001 |
| Pre-eclampsia, no. (%) | 23 (1.19) | 25 (0.61) | 13 (0.45) | 0.007 |
| Abnormality of organs and/or soft tissues of pelvis affecting pregnancy, no. (%) | 169 (8.74) | 225 (5.45) | 103 (3.57) | < 0.001 |
| False labor at or after 37 completed weeks of gestation, no. (%) | 31 (1.60) | 93 (2.25) | 101 (3.50) | < 0.001 |
| Medications | ||||
| Antidepressants, no. (%) | 12 (0.62) | 14 (0.34) | 6 (0.21) | 0.061 |
| Beta blocking agents, no. (%) | 55 (2.84) | 53 (1.28) | 33 (1.14) | < 0.001 |
| Antihistamines for systemic use, no. (%) | 185 (9.57) | 234 (5.67) | 83 (2.88) | < 0.001 |
| Direct acting antivirals, no. (%) | 143 (7.39) | 187 (4.53) | 70 (2.43) | < 0.001 |
| Other antibacterials, no. (%) | 119 (6.15) | 205 (4.96) | 54 (1.87) | < 0.001 |
| Health Services | ||||
| Pre-delivery ED visits (within 1-year), mean (SD) | 1.12 (1.54) | 0.68 (1.01) | 0.56 (0.97) | < 0.001 |
| Vitals | ||||
| Diastolic blood pressure in the third trimester | 69.35 (6.22) | 69.28 (5.86) | 69.12 (4.76) | 0.321 |
| Marital Status | ||||
| Single (vs. Married), no. (%) | 348 (17.99) | 578 (14.0) | 267 (9.25) | < 0.001 |
| Race , no. (%) | ||||
| Asian | 280 (14.48) | 679 (16.44) | 730 (25.29) | < 0.001 |
| Black | 145 (7.50) | 260 (6.30) | 155 (5.37) | |
| Other | 229 (11.84) | 477 (11.55) | 270 (9.36) | |
| Unknown | 202 (10.44) | 564 (13.66) | 549 (19.02) | |
| White | 1078 (55.74) | 2149 (52.05) | 1182 (40.96) |