Dose-Response-Relationship between Number of Laser Burns and IOP Reduction in Cyclophotocoagulation: An Animal Study

Table 2

ΔIOP between the treated and untreated eye in fractionated and nonfractionated groups after 7 weeks of follow-up (𝑃 values in parentheses indicate a statistical comparison with preop; 𝑃 in the last column indicates statistical comparison between fractionated and nonfractionated groups).

Time	Fractionated	Nonfractionated	𝑃
Preop	0.5 ± 0.4	0.3 ± 0.2	0.51
Week 1	−2.8 ± 1.2 (𝑃=0.03)	−6.1 ± 1.4 (𝑃=0.01)	0.05
Week 2	−6.7 ± 1.1 (𝑃≤0.01)	−3.0 ± 3.3 (𝑃=0.37)	0.93
Week 3	−7.0 ± 0.8 (𝑃≤0.01)	−3.6 ± 3.2 (𝑃=0.33)	0.79
Week 4	−5.2 ± 0.6 (𝑃≤0.01)	−5.6 ± 0.9 (𝑃≤0.01)	0.56
Week 5	−4.2 ± 0.5 (𝑃≤0.01)	−6.8 ± 1.5 (𝑃=0.02)	0.28
Week 6	−3.0 ± 0.6 (𝑃≤0.01)	−5.6 ± 1.4 (𝑃=0.03)	0.26
Week 7	−3.0 ± 0.3 (𝑃≤0.01)	−3.8 ± 0.9 (𝑃=0.02)	0.66