Table 1.
The clinical characteristics and perinatal outcomes of patients
| Characteristics | n = 20 |
| Age (years, mean ± SD) | 24.8 ± 3.7 |
| Primipara (n, %) | 13 (65.0) |
| NS1 positive (n, %) | 18 (90.0) |
| Secondary infection (n, %) | 2 (10.0) |
| Bleeding manifestation * (n, %) | 7 (35.0) |
| Hematocrit (%, median, min-max) | 39 (29.5 – 42.5) |
| Platelet (× 103 cells/μl, median, min-max) | 76 (12 – 374) |
| Thrombocytopenia (< 100,000 cells/μl, n, %) | 12 (60.0) |
| Platelet transfusion (n, %) | 6 (30.0) |
| Platelet transfusion before delivery (n, %) | 3 (15.0) |
| Interval between onset of symptom and diagnosis (days, mean ± SD, n=19) | 4.6 ± 2.3 |
| Interval between onset of symptom and delivery (days, mean ± SD, n=19) | 5.2 ± 2.5 |
| Perinatal outcomes | n = 20 |
| Gestational age at delivery (weeks, mean ± SD) | 38.5 ± 1.5 |
| Birth weight (g, mean ± SD) | 3021.1 ± 415.8 |
| Term but low birth weight (< 2500 g, n, %) | 1 (5.0) |
| Preterm delivery (< 37 weeks, n, %) | 4 (20.0) |
| Premature rupture of the membrane (n, %) | 8 (40.0) |
| Stillbirth (n, %) | 1 (5.0) |
| Category III fetal heart rate monitoring (n, %) | 1/19 (5.3) |
| Cesarean section (n, %) | 4 (20.0) |
| Postpartum hemorrhage (n, %) | 3 (15.0) |
| < 7 of 1 minute Apgar score (n, %) | 2/19 (10.5) |
| < 7 of 5 minute Apgar score (n, %) | 0/19 (0.0) |
*Petechia or bleeding in oral cavity.