Table 1.

Mean, standard deviation, and range of values for optical coherence tomography metrics and ambulatory outcomes.

Variable	Mean	Standard deviation	Range
TMV (mm3)	6.63	0.49	5.49–7.68
RNFLT (μm)	90.9	14.9	5.41–124.8
6MW (feet)	1,336	441	294–2,538
T25FW (seconds)	6.9	3.5	3.1–24.5

Note. TMV: total macular volume. RNFLT: retinal nerve fiber layer thickness. 6MW: six-minute walk. T25FW: timed 25-foot walk.