Size of nutrient foramina | Superior retinacular arteries | Inferior retinacular arteries | Anterior retinacular arteries | Ligamentum teres arteries | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
n | mean±SD | range (min., max.) | n | mean±SD | range (min., max.) | n | mean±SD | range (min., max.) | n | mean±SD | range (min., max.) | |
D > 2 mm | 24 | 4.47 ± 1.69 | (3.2 , 9.75) | 5 | 4.04 ± 0.86 | (3.3 , 5.51) | 1 | 5.51 | - | 2 | 4.07 ± 0.43 | (3.76 , 4.37) |
1.5 mm ≤ D ≤ 2 mm | 54 | 3.73 ± 1.98 | (1.77 , 10.11) | 19 | 2.34 ± 0.35 | (1.84 , 3.08) | 15 | 2.3 ± 0.58 | (1.77 , 3.85) | 1 | 1.77 | - |
1 mm ≤ D < 1.5 mm | 97 | 5.09 ± 3.1 | (0.82 , 15.2) | 66 | 1.73 ± 0.94 | (0.8 , 5.88) | 64 | 2.13 ± 1.26 | (0.8 , 5.49) | 17 | 1.24 ± 0.42 | (0.83 , 2.17) |
0.5 mm ≤ D < 1.0 mm | 100 | 7.07 ± 2.61 | (1.81 , 18.22) | 98 | 1.8 ± 1.06 | (0.2 , 5.83) | 100 | 2.4 ± 1.29 | (0.31 , 7.02) | 47 | 1.14 ± 0.91 | (0.28 , 5.09) |
D < 0.5 mm | 92 | 0.54 ± 0.37 | (0.07 , 2.01) | 46 | 0.19 ± 0.14 | (0.07 , 0.87) | 58 | 0.28 ± 0.19 | (0.07 , 1.04) | 16 | 0.24 ± 0.16 | (0.08 , 0.69) |