Table 1 Maternal basic and obstetrical characteristics (N = 104)
Variables | Non-oxygen inhalation group (n = 56) | Oxygen inhalation group (n = 48) | p-value | ||
|---|---|---|---|---|---|
Value | (Minimum–Maximum) | Value | (Minimum–Maximum) | ||
Maternal age (years) | 28.68 ± 4.24 | 20.00–39.00 | 30.63 ± 3.56 | 24.00–40.00 | 0.012 |
Parity | |||||
Nulliparous | 21 (37.50%) | NA | 15 (31.30%) | NA | 0.436 |
Parous | 35 (62.50%) | NA | 33 (68.70%) | NA | 0.348 |
GA at measurement (weeks) | 35.01 ± 2.05 | 32.00–40.00 | 35.80 ± 1.80 | 32.00–39.71 | 0.027 |
GA at delivery (weeks) | 39.12 ± 1.52 | 34.43–41.57 | 38.74 ± 1.32 | 35.14–41.29 | 0.144 |
PTB | 4 (7.10%) | NA | 3 (6.30%) | NA | 0.714 |
Birth weight (g) | 3178.41 ± 477.59 | 2050.00–4200.00 | 2983.78 ± 468.18 | 1920.00–3900.00 | 0.047 |
LBW at delivery | 3 (5.40%) | NA | 4 (8.30%) | NA | 1.000 |
C-section | 22 (39.30%) | NA | 29 (60.40%) | NA | 0.058 |
1-min Apgar score | 10.00 ± 0.00 | 10.00–10.00 | 9.93 ± 0.33 | 8.00–10.00 | 0.169 |
5-min Apgar score | 10.00 ± 0.00 | 10.00–10.00 | 10.00 ± 0.00 | 10.00–10.00 | 1.000 |
Placental weight (g) | 520.15 ± 52.88 | 410.00–680.00 | 512.88 ± 49.61 | 423.00–741.00 | 0.357 |