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. 2023 Oct 3;229(2):473–484. doi: 10.1093/infdis/jiad399

Table 1.

Demographic and Clinical Characteristics of Study Cohort

Characteristic 1T (n = 5) 2T (n = 6) 3T (n = 17) 2W (n = 6) I/V (n = 2) V–All (n = 10) V–3T (n = 9) C (n = 11) All (N = 57)
Maternal
 Age, y 29 (21–36) 35 (22–37) 30 (20–37) 31 (21–39) 30 (27–32) 36 (29–40) 36 (29–40) 29 (22–32) 31 (20–40)
 European descent 2 (40) 3 (50) 14 (82) 6 (100) 2 (100) 8 (80) 7 (78) 10 (91) 45 (79)
 Black/African American 2 (40) 2 (33) 2 (12) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 6 (11)
 Asian 0 (0) 0 (0) 1 (6) 0 (0) 0 (0) 2 (20) 2 (22) 0 (0) 3 (5)
 Race unknown/not reported 1 (20) 1 (17) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 1 (9) 3 (5)
 Hispanic or Latinx 1 (20) 0 (0) 1 (6) 3 (50) 0 (0) 1 (10) 1 (11) 1 (9) 7 (12)
 Not Hispanic or Latinx 4 (80) 6 (100) 16 (94) 3 (50) 2 (100) 9 (90) 8 (89) 10 (91) 50 (88)
 Asthma 1 (20) 2 (33) 3 (18) 1 (17) 0 (0) 2 (20) 2 (22) 2 (18) 11 (19)
 Obesity 3 (60) 3 (50) 8 (47) 4 (67) 1 (50) 2 (20) 2 (22) 8 (73) 29 (51)
 Hypertension 0 (0) 0 (0) 0 (0) 2 (33) 1 (50) 1 (10) 1 (11) 0 (0) 4 (7)
 Diabetes 0 (0) 0 (0) 0 (0) 1 (17) 1 (50) 0 (0) 0 (0) 0 (0) 2 (4)
 Cardiac conditions 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 1 (9) 1 (2)
 Preeclampsia 2 (40) 1 (17) 1 (6) 3 (50) 0 (0) 1 (10) 1 (11) 4 (36) 12 (21)
Gestational age, d
 PCR+ 67 (53–95) 146 (110–187) 214 (196–263) 263 (247–284) 121 (96–146) 205 (53–284)
 Vaccination 250 (247–253) 238 (184–261) 234 (184–261) 243 (184–261)
COVID-19 symptoms
 Asymptomatic 0 (0) 1 (17) 2 (12) 4 (67) 0 (0) 0 (0) 0 (0) 0 (0) 7 (12)
 Fever 1 (20) 2 (33) 4 (24) 1 (17) 1 (50) 0 (0) 0 (0) 0 (0) 9 (16)
 Cough 1 (20) 4 (67) 8 (47) 1 (17) 1 (50) 0 (0) 0 (0) 1 (9) 16 (28)
 Sore throat 2 (40) 3 (50) 6 (35) 1 (17) 0 (0) 0 (0) 0 (0) 0 (0) 12 (21)
 Dyspnea 1 (20) 0 (0) 6 (35) 2 (33) 0 (0) 0 (0) 0 (0) 1 (9) 10 (18)
 Myalgia 1 (20) 3 (50) 4 (24) 2 (33) 0 (0) 0 (0) 0 (0) 0 (0) 10 (18)
 Fatigue 0 (0) 1 (17) 4 (24) 0 (0) 1 (50) 0 (0) 0 (0) 0 (0) 6 (11)
 Diarrhea 0 (0) 2 (33) 3 (18) 2 (33) 0 (0) 0 (0) 0 (0) 0 (0) 7 (12)
 Anosmia 1 (20) 3 (50) 9 (53) 0 (0) 1 (50) 0 (0) 0 (0) 0 (0) 14 (25)
 Ageusia 1 (20) 2 (33) 8 (47) 0 (0) 1 (50) 0 (0) 0 (0) 0 (0) 12 (21)
 Cardiac 0 (0) 1 (17) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 1 (2)
Neonatal
 Singleton 5 (100) 6 (100) 17 (100) 6 (100) 2 (100) 10 (100) 9 (100) 11 (100) 57 (100)
 Male 2 (40) 5 (83) 10 (59) 4 (67) 1 (50) 7 (70) 6 (67) 7 (64) 36 (63)
 Female 3 (60) 1 (17) 7 (41) 2 (33) 1 (50) 3 (30) 3 (33) 4 (36) 21 (37)
Gestational age at delivery, d 274 (273–280) 273 (239–280) 274 (265–278) 267 (252–290) 274 (274–274) 274 (264–278) 274 (264–278) 276 (273–286) 274 (239–290)
Birth weight, g 3.1 (2.6–3.9) 3.6 (3.1–3.9) 3.4 (2.2–4.4) 3.2 (2.3–3.9) 3.7 (3.2–4.1) 3.2 (2.9–4.2) 3.2 (2.9–4.2) 3.6 (2.8–4.2) 3.5 (2.2–4.4)
Apgar score at 5 min 9 (9–9) 9 (7–9) 9 (9–9) 9 (8–9) 8.5 (8–9) 9 (9–9) 9 (9–9) 9 (8–9) 9 (7–9)
Delivery
 Vaginal 4 (80) 5 (83) 13 (76) 4 (67) 0 (0) 8 (80) 8 (89) 6 (55) 40 (70)
 Cesarean section 1 (20) 1 (17) 4 (24) 2 (33) 2 (100) 2 (20) 1 (11) 5 (45) 17 (30)
Asymptomatic, healthy 5 (100) 4 (67) 13 (76) 4 (67) 2 (100) 7 (70) 6 (67) 11 (100) 46 (81)
Tachypnea 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 1 (10) 1 (11) 0 (0) 1 (2)
Respiratory distress syndrome 0 (0) 1 (17) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 1 (2)
Other/unknown outcome 0 (0) 1 (17) 4 (24) 2 (33) 0 (0) 2 (20) 2 (22) 0 (0) 9 (16)

Data are presented as median (range) or No. (%).

Abbreviations: 1T, first-trimester infection; 2T, second-trimester infection; 3T, third-trimester infection; 2W, infected within 2 weeks of delivery; C, noninfected/vaccinated pregnant controls; I/V, infected and vaccinated; PCR, polymerase chain reaction; V–All, all vaccinated; V–3T, third trimester vaccinated.