Table 1.
Group Characteristics
| Group Characteristics | Nonpregnant (n=33) |
Control (n=54) |
Preeclampsia (n=50) |
P Value for all groups compared |
|---|---|---|---|---|
| Maternal Characteristics | ||||
| Maternal Age (years) | 31.4 ± 7.2 | 29.9 ± 5.2 | 30.0 ± 5.6 | 0.47 |
| Gravida | 1.0 | 2.0 | 2.0 | <0.001 |
| Body Mass Index (kg/m2) | 29.6 ± 8.5 | 30.0 ± 8.7 | 31.9 ± 9.2 | 0.41 |
| Chronic Essential Hypertension | 9.1% | 25.9% | 20.0% | 0.16 (χ2=3.7) |
| Preexisting Diabetes | 3.0% | 20.4% | 22.0% | 0.05 (χ2=5.9) |
| History of Preeclampsia | 0.0% | 29.6% | 18.0% | 0.002 (χ2=12.1) |
| Race: Caucasian, not Hispanic | 90.9% | 92.6% | 90.0% | 0.56 (χ2=6.8) |
| Race: Hispanic | 0% | 3.7% | 4.0% | 0.56 (χ2=6.8) |
| Race: Asian | 6.1% | 1.8% | 0% | 0.56 (χ2=6.8) |
| Race: African-American | 3.0% | 1.9% | 4.0% | 0.56 (χ2=6.8) |
| Systolic Blood Pressure 1 (mmHg) | — | 120.4 ± 12.3 | 129.5 ± 12.3 | 0.041 |
| Diastolic Blood Pressure 1 (mmHg) | — | 69.1 ± 9.8 | 72.2 ± 5.6 | 0.26 |
| Systolic Blood Pressure 2 (mmHg) | — | 121.0 ± 13.6 | 124 ± 18.5 | 0.558 |
| Diastolic Blood Pressure 2 (mmHg) | — | 70.7 ± 9.0 | 70.7 ± 11.3 | 0.998 |
| Systolic Blood Pressure 3 (mmHg) | — | 121.9 ± 17.9 | 129.2 ± 16.7 | 0.049 |
| Diastolic Blood Pressure 3 (mmHg) | — | 70.7 ± 9.9 | 76.3 ± 11.6 | 0.028 |
| Pregnancy Characteristics | ||||
| Gestational Age at Delivery (wk) | — | 38.8 ± 1.7 | 36.1 ± 3.1 | < 0.001 |
| Mode of Delivery: Vaginal | — | 58.5% | 32.7% | < 0.001 (χ2=16.6) |
| Mode of Delivery: C-Section | — | 11.3% | 67.3% | < 0.001 (χ2=16.6) |
| Mode of Delivery: Operative Vaginal Delivery | — | 30.2% | 0% | < 0.001 (χ2=16.6) |
| Twin Gestation | — | 13.0% | 22.0% | 0.34 (χ2=0.92) |
| Birthweight (grams) | — | 3386.5 ± 644.8 | 2749.6 ± 800.1 | < 0.001 |
| 1 minute APGAR | — | 8.0 | 8.0 | 0.64 |
| 5 minute APGAR | — | 9.0 | 9.0 | 0.76 |
Continuous variables are expressed as Mean ± SD or Median