TABLE 4. Selected Newborn Characteristics Classified by Results of Placental Cultures.
| Newborn's Characteristics | U urealyticum Only, % | Uu+ Bacteria, % | Bacteria Only, % | No Bacteria, % | Row Totals, N | Pa |
|---|---|---|---|---|---|---|
| Gestational age, completed weeks | ||||||
| 23 | 6 | 9 | 12 | 5 | 74 | <.001 |
| 24 | 18 | 17 | 25 | 14 | 167 | - |
| 25 | 18 | 20 | 19 | 22 | 179 | - |
| 26 | 24 | 26 | 20 | 28 | 211 | - |
| 27 | 35 | 29 | 23 | 30 | 235 | - |
| Birth weight, g | ||||||
| < 750 | 35 | 37 | 47 | 44 | 390 | .62 |
| 751 - 1000 | 35 | 46 | 36 | 39 | 328 | - |
| > 1000 | 29 | 17 | 17 | 16 | 148 | - |
| Birth weight z score | ||||||
| Less than -1 | 6 | 6 | 17 | 30 | 194 | ≤.001 |
| -1 or more to < 0 | 47 | 51 | 35 | 33 | 305 | - |
| ≥ 0 | 47 | 43 | 48 | 37 | 367 | - |
| Ultrasound lesions | ||||||
| IVH | 25 | 21 | 28 | 17 | 194 | .002 |
| VM | 0 | 12 | 16 | 8 | 100 | .001 |
| ED | 13 | 18 | 20 | 12 | 137 | .02 |
| EL | 12 | 9 | 11 | 5 | 70 | .03 |
| Died ≤ 7 days, Yes | 6 | 3 | 9 | 4 | 54 | .03 |
| Maximum No. of infants | 17 | 35 | 407 | 407 | 866 | - |
VM indicates moderate-to-severe ventriculomegaly; ED, echodense lesions; EL, echolucent lesions; -, no data.
a
By Fisher's exact test