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TABLE 1: ADC measurement reproducibility for the different subgroups
Variable Mean (×10⁻⁶ mm²/s) Within-Subject SD 95% Reference Range^a CV (%)^b Reliability Coefficient^c
Analysis/re-analysis: 
    Control mean (n = 10) 928 23 ±45 2.5 0.99
    Diseased optic nerves (n = 16) 1324 97 ±189 7.3 0.94
    Healthy contralateral optic nerves (n = 14) 990 31 ±61 3.2 0.96
Image/reimage: 
    Control mean (n = 7) 946 95 ±186 10.0 0.58
^a 1.96 × within-subject SD; 95% of measurements are expected to lie within this departure from the true value.
^b CV, coefficient of variation.
^c The proportion of total variance due to between-subject variation. Under assumptions that are plausible here, 1 minus this value is the proportion of variation due to measurement error.

Variable	Mean (×10⁻⁶ mm²/s)	Within-Subject SD	95% Reference Range^a	CV (%)^b	Reliability Coefficient^c
Analysis/re-analysis:
Control mean (n = 10)	928	23	±45	2.5	0.99
Diseased optic nerves (n = 16)	1324	97	±189	7.3	0.94
Healthy contralateral optic nerves (n = 14)	990	31	±61	3.2	0.96
Image/reimage:
Control mean (n = 7)	946	95	±186	10.0	0.58