Reproducibility of Neonate Ocular Circulation Measurements Using Laser Speckle Flowgraphy

Table 2

Coefficients of variation and intraclass correlation coefficient for ONH blood flow values and waveform parameters.

	COVs; ()	ICCs; ()	Mean ± SD
MBR-A	7.7 ± 3.9	0.88	12.1 ± 3.5
MBR-V	9.2 ± 5.2	0.83	22.6 ± 6.7
MBR-T	9.7 ± 4.9	0.85	8.7 ± 2.7
Fluctuation	17.0 ± 8.6	0.75	17.2 ± 3.7
Skew	215.7 ± 500.1	0.15	4.7 ± 2.7
BOS	6.1 ± 3.9	0.37	72.1 ± 5.5
BOT	9.0 ± 7.3	0.17	56.2 ± 4.8
Rising rate	6.3 ± 5.2	0.14	11.8 ± 0.7
Falling rate	8.8 ± 6.5	0.05	11.4 ± 0.9
FAI	16.3 ± 10.1	0.65	2.4 ± 0.8
ATI	10.0 ± 7.4	0.15	44.8 ± 5.3
RI	15.0 ± 7.9	0.38	0.39 ± 0.07

MBR-A (all the mean), MBR-V (vessel mean), and MBR-T (tissue mean). BOS, blowout score; BOT, blowout time; FAI, flow acceleration index; ATI, acceleration time index; RI, resistivity index.