TABLE 3.
Cross-sectional analysis for neurologic development
| Arteries |
|||||
|---|---|---|---|---|---|
| 1 |
2 |
||||
| Neurologic development | n | Measure | n | Measure | P value |
| Intel1igence testinga | |||||
| 4 y | 166 | 100.9 ± 15.7 | 29,737 | 97.6 ± 16.4 | .01b |
| 7 y | 188 | 97.2 ± 15.2 | 31,162 | 96.0 ± 14.7 | .26b |
| Mental score at 8 moa | 200 | 79.6 ± 6.2 | 34,276 | 79.8 ± 5.2 | .63b |
| Neurologic condition at birth, n | |||||
| Normal/suspect | 240 | 99.2% | 38,729 | 99.2% | .59c |
| Abnormal | 2 | 0.8% | 302 | 0.8% | |
| Neurologic condition at 4 mo, n | |||||
| Normal/suspect | 189 | 99.5% | 32,986 | 99.6% | .86c |
| Abnormal | 1 | 0.5% | 146 | 0.4% | |
| Neurologic condition at 8 mo, n | |||||
| Normal/suspect | 195 | 97.5% | 33,669 | 98.3% | .36c |
| Abnormal | 5 | 2.5% | 572 | 1.7% | |
| Neurologic condition at 1 y, n | |||||
| Normal/suspect | 208 | 96.7% | 34,510 | 98.9% | .002c |
| Abnormal | 7 | 3.3% | 371 | 1.1% | |
| Neurologic condition at 3 y, n | |||||
| Normal/suspect | 101 | 98.0% | 17,697 | 95.3% | .18c |
| Abnormal | 2 | 2.0% | 879 | 4.7% | |
| Neurologic condition at 7 y, n | |||||
| Normal/suspect | 181 | 95.3% | 30,254 | 96.5% | .36c |
| Abnormal | 9 | 4.7% | 1,102 | 3.5% | |
a
Data are given as mean ± SD
b
t test
c
χ2 test.
Chetty-John. Longitudinal outcomes in isolated single umbilical artery. Am J Obstet Gynecol 2010.