Table 2

Variation across images

VesselPulse pointMean (SD*)MinMax% Change†
Note: Results only presented for Grader A (Grader B similar).
*SD, standard deviation of the means from the 10 photographs.
†See statistical analysis section for percent change calculation.
‡All pulse points combined.
Small arteriole0%75.1 (3.3)68.380.318
30%76.0 (2.7)72.381.413
70%76.7 (2.6)73.082.112
Ignore‡75.9 (2.9)68.382.120
Large arteriole0%113.0 (2.6)109.9116.96
30%112.8 (3.3)107.6118.010
70%113.8 (5.0)107.6124.816
Ignore‡113.2 (3.7)107.6124.816
Small venule0%91.3 (3.2)85.394.811
30%93.4 (2.4)89.996.37
70%93.0 (2.2)89.896.58
Ignore‡92.6 (2.7)85.396.513
Large venule0%140.3 (1.1)139.1141.92
30%144.1 (2.5)140.2148.76
70%145.9 (1.8)143.4148.54
Ignore‡143.4 (3.0)139.1148.77