Table 1. Maternal characteristics.
| Variables | n (%) | |
|---|---|---|
| Age (year), mean (SD) | 34 (± 4.7) | |
| Period | ||
| Pre-delta (Sep 2020 – May 2021) | 1 (1.7) | |
| Delta dominant (June 2021 – Jan 2022) | 13 (21.7) | |
| Omicron dominant (Feb 2022 – Apr 2022) | 46 (76.7) | |
| Gestational age (weeks), mean (SD) | 38+2 (± 2+0) | |
| Period between first positive SARS-CoV-2 test and delivery (day), median (IQR) | 1 (0 - 2.3) | |
| Birth-related complications | 1 (1.7) | |
| Method of delivery | ||
| Cesarean section | 40 (66.7) | |
| Vaginal delivery | 20 (33.3) | |
| Vaccination | ||
| Yes | 9 (15.0) | |
| No | 33 (55.0) | |
| Unknown | 18 (30.0) | |
| Underlying disease | ||
| Any disease | 9 (15.0) | |
| DM | 4 (13.3) | |
| Solid cancer | 2 (3.3) | |
| Cardiovascular disease | 2 (3.3) | |
| HTN | 1 (1.7) | |
| Pneumonia | ||
| Total | 7 (11.7) | |
| Pre Omicron dominant period | 3 (5.0) | |
| Omicron dominant period | 4 (6.7) | |
| Lymphocyte count, mean (SD) | 1,208 (± 553.5) | |
| Lymphocytopenia (<1,000/mcL) | ||
| Yes | 16 (26.7) | |
| No | 22 (36.7) | |
| Unchecked | 22 (36.7) | |
| CRP (mg/dL), mean (SD) | 0.94 (± 0.76) | |
| Elevated CRP (>0.6 mg/dL) | ||
| Yes | 30 (50.0) | |
| No | 27 (45.0) | |
| Unchecked | 3 (5.0) | |
| Elevated LD (>250 IU/L) | ||
| Yes | 16 (56.7) | |
| No | 34 (26.7) | |
| Unchecked | 10 (16.7) | |
| Oxygen supply | 2 (3.3) | |
| ICU care | 0 (0.0) | |
| Symptom | ||
| Any symptom | 37 (61.7) | |
| Fever | 18 (70.0) | |
| Chill | 6 (10.0) | |
| Cough | 21 (35.0) | |
| Sputum | 9 (15.0) | |
| Sore throat | 13 (21.7) | |
| Dyspnea | 3 (5.0) | |
| Rhinorrhea | 4 (6.7) | |
| Myalgia | 6 (10.0) | |
| Headache | 7 (11.7) | |
| Nasal congestion | 3 (5.0) | |
| Hyposmia | 1 (1.7) | |
| Hypogeusia | 1 (1.7) | |
| Severity | ||
| Asymptomatic | 23 (38.3) | |
| Mild illness | 25 (41.7) | |
| Moderate illness | 10 (26.1) | |
| Severe illness | 2 (5.2) | |
| Critical illness | 0 (0.0) | |
| Treatment | ||
| Regdanvimab | 10 (16.7) | |
| Dexamethasone | 1 (1.7) | |
| Remdesivir | 1 (1.7) | |
| Mechanical ventilation | 0 (0.0) | |
| In hospital mortality | 0 (0.0) | |
SD, standard deviation; SARS-CoV-2, severe acute respiratory syndrome corona virus 2;
IQR, Interquatile range; DM, diabetes mellitus; HTN, hypertension; CRP, C-Reactive Protein; LD, Lactate Dehydrogenase; ICU, intensive care unit.