Table 2 Abnormal umbilical artery Doppler studies in small for gestational age neonates
From: Significance of abnormal umbilical artery Doppler studies in normally grown fetuses
Total N = 2744 | Number (%) in group | P value | ||
|---|---|---|---|---|
SGA N = 379 | Non-SGA N = 2365 | |||
Abnormal UADS (%) | 98 (3.6) | 26 (6.9) | 72 (3.0) | < 0.001 |
One abnormal parameter (%) | 38 (1.4) | 8 (2.1) | 30 (1.3) | < 0.001 |
Two abnormal parameters (%) | 16 (.6) | 4 (1.1) | 12 (.5) | NS |
Three abnormal parameters (%) | 44 (1.6) | 14 (3.7) | 30 (1.3) | < 0.001 |
Abnormal S/D (%) | 60 (2.2) | 19 (5) | 41 (1.7) | < 0.001 |
Abnormal PI (%) | 78 (2.8) | 21 (5.5) | 57 (2.4) | < 0.001 |
Abnormal RI (%) | 65 (2.4) | 18 (4.8) | 47 (2.0) | < 0.001 |