ROP stage | n | tVA | n | tAA | ||
Median (IQR) | Minimum value, maximum value | Median (IQR) | Minimum value, maximum value | |||
No ROP | 34 | 134.62 (117.70–148.63) | 102.30, 161.60 | 29 | 107.41 (88.91–122.24) | 60.31, 154.88 |
Stage 1 and 2 | 18 | 135.34 (114.07–146.20) | 108.67, 162.21 | 16 | 100.82 (85.09–121.51) | 49.10, 153.40 |
Stage 3 | 23 | 121.08 (107.35–137.66) | 86.61, 159.82 | 23 | 90.99 (79.98–100.34) | 52.20, 114.04 |
No ROP vs stage 1 and 2: p=0.89 | No ROP vs stage 1 and 2: p=0.55 | |||||
No ROP vs stage 3: p=0.02* | No ROP vs stage 3: p=0.01* |
*p<0.05.
IQR, interquartile range; ROP, retinopathy of prematurity; tAA, temporal arteriolar angle; tVA, temporal venular angle.