Table 3.

Mean of differences of RNFL thickness in µm in the several sectors

Baseline	G	TI	T	TS	N	NS	NI
1y:G	+ 0.6 ± 3.2
1y:TI		+ 1.5 ± 5.3
1y: T			+ 0.6 ± 2.5
1y: TS				+ 0.3 ± 4.2
1y: N					+ 0.36 ± 8.9
1y: NS						0 + .9 ± 3.1
1y: NI							+ 0.8 ± 3.8
4y: G	+ 1.1 ± 3.5
4y: TI		− 1.4 ± 10.1
4y: T			+ 1.7 ± 6.3
4y: TS				− 4.9 ± 15.7
4y: N					+ 1 (Median, Wilcoxon)
4y: NS						− 1.8 ± 13.1
4y: NI							+ 1.3 ± 8.4

No value deviated significantly from the respective baseline value performing two-tailed paired t-test or Wilcoxon-test respectively

1y = one year follow-up; 4y = four years follow-up; G:global; TI:temporal inferior; T:temporal; TS:temporal superior; n:nasal; NS:nasal superior; NI:nasal inferior. RNFL: Retinal nerve fibre layer