Table 3.
Ordinal regression between the first cUS imaging, basic characteristics, and MDI among very preterm infants
| Items | Estimate | SE | Wald χ2 | OR | P | |
|---|---|---|---|---|---|---|
| Threshold value | [MDI = died] | 9.527 | 6.206 | 2.356 | 1.000 | 0.125 |
| [MDI = abnormal] | 9.837 | 6.210 | 2.509 | 1.000 | 0.113 | |
| [MDI = mildly abnormal] | 10.624 | 6.220 | 2.917 | 1.000 | 0.088 | |
| Basic characteristics | Twins or multiplets | 0.121 | 0.399 | 0.092 | 1.129 | 0.761 |
| Hospitalization duration | −0.018 | 0.005 | 13.077 | 0.982 | 0.000 | |
| Gestational age | −0.216 | 0.231 | 0.875 | 0.806 | 0.350 | |
| Weight | −3.178 | 1.101 | 8.334 | 0.042 | 0.004 | |
| First cUS imaging | CPH | 0.244 | 0.409 | 0.356 | 1.276 | 0.551 |
| GMH Grade 3, 4 | 2.134 | 0.882 | 5.857 | 8.415 | 0.016 | |
| GMH Grade 1, 2 | −0.856 | 0.567 | 2.280 | 2.354 | 0.131 | |
| PVE III | 1.213 | 0.868 | 1.955 | 3.364 | 0.162 | |
| PVE II | 0.157 | 0.590 | 0.071 | 1.170 | 0.790 | |
| PVE I | 0.000 | 1.000 |
MDI: Mental developmental index; cUS: Cranial ultrasound; PVE: Periventricular echodensities; GMH: Germinal matrix hemorrhage; CPH: Choroid plexus hemorrhage; SE: Standard error; OR: Odds ratio.