Table 4. Superior retinal nerve-fibre layer thickness: summary table for SDs and intraclass correlation coefficients (ICCs) (bias-corrected accelerated non-parametric 95% CI).

	Baseline (μm)	Follow-up (μm)	Follow-up/baseline	Follow-up-baseline (μm)
SD
Subjects	9.799 (7.20 to 11.71)	6.317 (3.22 to 8.65)	0.645 (0.39 to 0.83)	−3.482 (−5.46 to −1.13)
Days	2.933 (0.00 to 3.79)	1.575 (0.00 to 3.28)	0.537 (0.00 to 1.30)	−1.358 (−4.08 to 1.72)
Scans	5.635 (4.87 to 6.98)	5.262 (4.89 to 5.85)	0.934 (0.79 to 1.10)	−0.374 (−1.37 to 0.38)
Days+scans	6.353 (5.51 to 7.21)	5.492 (4.47 to 6.90)	0.865 (0.72 to 1.08)	−0.861 (−1.87 to 0.42)
ICC
Between days	0.704 (0.57 to 0.77)	0.569 (0.22 to 0.78)	0.809 (0.39 to 1.07)	−0.135 (−0.40 to 0.05)
Within days	0.767 (0.52 to 0.85)	0.605 (0.38 to 0.78)	0.788 (0.55 to 0.96)	−0.162 (−0.35 to −0.03)

Significant values are shown in bold.