Table 5.
Ordinal regression between the last cUS imaging, basic characteristics, and MDI among very preterm infants
| Items | Estimate | SE | Wald χ2 | OR | P | |
|---|---|---|---|---|---|---|
| Threshold value | [MDI = abnormal] | −37.513 | 11.937 | 9.876 | 1.000 | 0.002 |
| [MDI = mildly abnormal] | −34.775 | 11.792 | 8.697 | 1.000 | 0.003 | |
| Basic characteristics | Twins or multiplets | 0.588 | 0.624 | 0.889 | 1.800 | 0.346 |
| Hospitalization duration | −0.002 | 0.008 | 0.054 | 0.998 | 0.816 | |
| Gestational age | −1.232 | 0.427 | 8.320 | 0.292 | 0.004 | |
| Weight | −0.069 | 1.467 | 0.002 | 0.933 | 0.963 | |
| Last cUS imaging | Widened extracranial space | 0.551 | 0.634 | 0.754 | 1.735 | 0.385 |
| Subependymal cyst | 0.241 | 1.075 | 0.050 | 1.273 | 0.823 | |
| Moderate/severe hydrocephalus | 5.138 | 1.111 | 21.366 | 170.375 | 0.000 | |
| Mild hydrocephalus | 0.170 | 0.690 | 0.061 | 1.185 | 0.805 | |
| Extensive c-PVL | 4.098 | 1.358 | 9.110 | 60.220 | 0.003 | |
| Local PVL | 0.407 | 1.250 | 0.106 | 1.502 | 0.745 |
MDI: Mental developmental index; cUS: Cranial ultrasound; SE: Standard error; OR: Odds ratio; PVL: Periventricular leukomalacia; c-PVL: Cystic-PVL.