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. 2021 Apr 22;16(4):e0249584. doi: 10.1371/journal.pone.0249584

Table 2. Maternal and pregnancy outcomes.

Outcomes Positive women (N = 70) Negative women (N = 170) OR (95% CI) aOR 95% CI**
No. (%)* No. (%)*
Critical Care 1 (<1) 0 Omitted Omitted
Missing data 0 0
Pneumonia 1 (<1) 0 Omitted Omitted
Missing data 0 0
Ongoing pregnancy 2 (3) 9 (5) Omitted Omitted
Pregnancy completed 62 (97) 157 (94)
Missing data 6 4
Hospital stay, d
1–2 57 (84) 148 (88) Referent group Referent group
3–5 8 (12) 16 (9) 1.3 (0.5–3.2) 1.4 (0.5–4.5)
>6 3 (4) 4 (2) 1.9 (0.4–9) 1.5 (0.2–10.8)
Median, range 1, 0–7 2, 0–11
Missing data 2 2
Preeclampsia 12 (18)a 15 (9)b 2.2 (1.003–5.2) 2.1 (0.8–5.2)
Missing data 3 6
Hemorrhage 4 (6) 6 (3) Omitted Omitted
Missing data 1 1
Premature rupture of membranes 8 (12) 18 (11) 1.1 (0.4–2.6) 1.1 (0.5–3.1)
Missing data 4 5
Gestational age at delivery, w
<24 3 (4) 6 (4) Referent group Referent group
25–27 2 (3) 4 (2) 0.5 (0.04–6.7) 0.9 (0.05–14)
28–32 7 (11) 7 (4) 2 (0.3–11) 1.6 (0.2–11)
33–36 6 (9) 28 (18) 0.4 (0.08–2.2) 0.4 (0.06–2. 5)
>37 48 (73) 111 (71) 0.9 (0.2–3.6) 1.1 (0.2–5.1)
Median, range 38.1, 19–41.5 38.1, 20.2–42.1
Missing data 4 14
Preterm birth 14 (22) 38 (24) 0.9 (0.4–1.7) 1.2 (0.2–6.6)
Term birth 50 (78) 119 (76) Referent group Referent group
Missing data 6 13
Mode of Delivery
Cesarean 51 (81) 113 (73) Referent group Referent group
Labor 12 (19) 41 (27) 0.6 (0.3–1.3) 0.6 (0.2–1.7)
Missing data 7 16
Indications for delivery
Maternal1 26 (40) 54 (35) Referent group Referent group
Obstetric2 20 (31) 59 (39) 0.7 (0.3–1.4) 0.7 (0.3–1.5)
Fetal3 18 (28) 39 (26) 0.9 (0.5–1.9) 0.9 (0.4–2.1)
Missing data 6 18
Miscarriage 3 (4) 3 (2) Omitted Omitted
Antepartum stillbirth 1 (1) 1 (<1)
Intrapartum stillbirth 1 (1) 2 (1)
Total fetal death 5 (7) 6 (3)
Missing data 0 0
Live birth 63 (92) 155 (96) Omitted Omitted
Missing data 2 9
Final Outcome Omitted Omitted
Discharged well 70 (100) 170 (100)
Died 0 0

*Percentages calculated excluding missing values

**Adjusted for maternal age, BMI, pre-existing comorbidities, gestational age at the time of admission.

1preeclampsia, supraventricular maternal tachycardia, intrahepatic cholestasis of pregnancy, systemic lupus erythematosus

2fetal distress or abnormal presentation, congenital defect, intrauterine growth restriction, multiple gestation, and

3previous cesarean, premature rupture of membranes, abruptio placentae, fetal pelvic presentation. Each subscript letter denotes a subset of pregnant women category whose column proportions do not differ significantly from each other at the P<0.05 level in crosstab analysis.