Table 1.
Maternal baseline characteristics.
| Variable | Positive Serology 1T (n = 31) |
Positive Serology 3T (n = 48) |
p-Value |
|---|---|---|---|
| Gestational age at delivery (weeks) | 39.6 [38.9; 40.0] Missing: 2 (6.5%) |
40.0 [38.6; 40.5] Missing: 0 (0%) |
0.285 |
| Maternal age (years) | 35.0 [29.0; 38.0] | 33.5 [29.8; 36.3] | 0.398 |
| Body mass index (kg/m2) | 22.9 [21.5; 26.4] | 25.3 [22.8; 28.6] | 0.110 |
| Nulliparous | 17 (54.8%) | 20 (41.7%) | 0.356 |
| Race | |||
| Black | 1 (3.2%) | 2 (4.2%) | 1.000 |
| Non-Hispanic White | 22 (71.0%) | 37 (77.1%) | 0.601 |
| Hispanic/Latin | 7 (22.6%) | 6 (12.5%) | 0.352 |
| Asian | 0 | 1 (2.1%) | 1.000 |
| North African | 1 (3.2%) | 1 (2.1%) | 1.000 |
| Other | 0 | 1 (2.1%) | 1.000 |
| Blood type | |||
| A Positive | 12 (38.7%) | 15 (31.3%) | 0.628 |
| A Negative | 1 (3.2%) | 1 (2.1%) | 1.000 |
| O Positive | 15 (48.4%) | 21 (43.8%) | 0.818 |
| O Negative | 1 (3.2%) | 3 (6.3%) | 1.000 |
| B Positive | 2 (6.5%) | 6 (12.5%) | 0.470 |
| B Negative | 0 | 0 | 1.000 |
| AB Positive | 0 | 1 (2.1%) | 1.000 |
| AB Negative | 0 | 1 (2.1%) | 1.000 |
| Active smoking | 0 | 5 (10.4%) | 0.151 |
| Chronic medical pathology | |||
| None | 24 (77.4%) | 33 (68.8%) | 0.451 |
| Hypertensive disorders | 1 (3.2%) | 0 | 0.392 |
| Diabetes mellitus | 0 | 0 | 1000 |
| Autoimmune or Immunological disorders |
2 (6.5%) | 0 | 0.151 |
| Respiratory disease | 1 (3.2%) | 2 (4.2%) | 1.000 |
| Others | 7 (22.6%) | 15 (31.3%) | 0.451 |
1T: first trimester; 3T: third trimester.