Table 2.
Univariate analysis of each factor with NRDS [n = 452, Mean ± SD/ Median (Q1, Q3)/ n (%)]
| Statistics | OR (95%CI) | P-value | |
|---|---|---|---|
| GA (Weeks) | 35.32 ± 3.70 | 0.49 (0.43, 0.56) | 0.000 |
| Sex | |||
| Females | 187 (41.37%) | 1.0 | |
| Male | 265 (58.63%) | 1.67 (1.10, 2.52) | 0.016 |
| Birth weight (100 g) | 24.25 ± 8.60 | 0.78 (0.74, 0.82) | 0.000 |
| CRP (mg/L) | 3.13 (1.88–7.45) | 1.01 (0.99, 1.02) | 0.305 |
| Total IgM (mg/L) | 83.00 (61.38–114.75) | 1.01 (1.00, 1.01) | 0.436 |
| WBC (*10^9/L) | 13.25 (9.88–16.95) | 0.94 (0.90, 0.97) | 0.000 |
| PLT (*10^9/L) | 239.09 ± 68.82 | 0.99 (0.99, 1.00) | 0.000 |
| GDM | |||
| No | 414 (91.59%) | 1.0 | |
| Yes | 38 (8.41%) | 1.30 (0.65, 2.60) | 0.453 |
| Antenatal steroids | |||
| No | 124 (27.43%) | 1.0 | |
| Yes | 328 (72.57%) | 0.15 (0.10, 0.24) | 0.000 |
| PPROM | |||
| No | 333 (73.67%) | 1.0 | |
| < 18 h | 38 (8.41%) | 0.86 (0.39, 1.90) | 0.716 |
| > 18 h | 81 (17.92%) | 3.48 (2.11, 5.75) | 0.000 |
| Meconium-stained amniotic fluid | |||
| No | 76 (16.81%) | 1.0 | |
| Yes | 376 (83.19%) | 4.71 (2.20, 10.09) | 0.000 |
Result variables: NRDS or non-NRDS
Exposure variables: gestational age, sex, birth weight, CRP, total IgM, WBC, PLT, GDM, antenatal steroids, PPROM, meconium-stained amniotic fluid
Adjusted: None
CRP C-reactive protein, Total IgM total immunoglobulin M, WBC white blood cell count, PLT platelet count, GDM gestational diabetes mellitus, PPROM preterm premature rupture of membranes