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. 2019 Dec 5;13:2403–2409. doi: 10.2147/OPTH.S224456

Table 4.

Comparison Between and Within the Groups Regarding Interval of 12 Months Before and 12 Months After Switch

Interval in Months Before Switch
Mean SD Range p=0.051
Group 1 1.5 0.4 1–2.4
Group 2 1.7 0.3 1.1–2.4
Interval in Months After Switch
Mean SD Range p=0.006
Group 1 * 4.4 3.8 1.2–12
Group 2 * 1.9 0.8 1.2–4

Notes: *Statistical comparison within the groups (group 1: p=0.001; group 2: p=0.750).

Abbreviation: SD, standard deviation.