Table 4. Mixed models of associations between maternal retinal vascular parameters in tertiles and standard deviation in fetal/neonatal weight and length changes across 3 time points at 26–28 weeks, at 32–34 weeks and at delivery.
| SD in weight | SD in length | |||||
|---|---|---|---|---|---|---|
| mean difference (SE) | p 1 | p 2 | mean difference (SE) | p 1 | p 2 | |
| CRAE | ||||||
| 1st vs. 2nd tertile | -0.13 (0.09) | 0.16 | 0.04 | -0.14 (0.09) | 0.14 | 0.02 |
| 1st vs. 3rd tertile | -0.23 (0.09) | 0.01 | -0.26 (1.00) | 0.002 | ||
| CRVE | ||||||
| 1st vs. 2nd tertile | 0.05 (0.10) | 0.61 | 0.87 | 0.07 (0.10) | 0.45 | 0.64 |
| 1st vs. 3rd tertile | 0.03 (0.09) | 0.72 | 0.08 (0.10) | 0.38 | ||
| Retinal arteriolar fractal dimension | ||||||
| 1st vs. 2nd tertile | 0.01 (0.09) | 0.90 | 0.67 | 0.17 (0.09) | 0.21 | 0.20 |
| 1st vs. 3rd tertile | -0.07 (0.09) | 0.49 | -0.05 (0.10) | 0.64 | ||
| Retinal venular fractal dimension | ||||||
| 1st vs. 2nd tertile | -0.21 (0.09) | 0.02 | 0.07 | -0.15 (0.09) | 0.11 | 0.26 |
| 1st vs. 3rd tertile | -0.13 (0.09) | 0.17 | -0.04 (0.10) | 0.66 | ||
SD, standard deviation; SE, stand error; CRAE, central retinal arteriolar equivalent; CRVE, central retinal venular equivalent.
1 for pairwise comparison
2 F test tests the effect of retinal vascular parameter-tertile trend.