Effectiveness of Selective Laser Trabeculoplasty Applied to 360° vs. 180° of the Angle

Table 3

Comparison of average IOP reductions between the 180° and 360° SLT groups.

IOP reduction	180°	360°	value
Week 6
n	190	248
Average IOP reduction (mmHg ± SD)	2.85 ± 1.9	3.16 ± 2.05	0.44
≥20% IOP reduction (%)	40	48	0.134
Mean medication reduction	0.05 ± 0.93	0.06 ± 0.89	0.98
Year 1
n	166	189
Average IOP reduction (mmHg ± SD)	2.97 ± 2.06	3.40 ± 2.22	0.39
≥20% IOP reduction (%)	34	42	0.248
Mean medication reduction	0.08 ± 0.91	0.11 ± 0.82	0.88
Year 2
n	75	87
Average IOP reduction (mmHg ± SD)	2.21 ± 2.02	2.43 ± 1.81	0.33
≥20% IOP reduction (%)	29	48	0.01
Mean medication reduction	0.08 ± 0.96	0.14 ± 0.91	0.73

IOP = intraocular pressure; mm Hg = millimeters of mercury; (SD) = standard deviation; n = number of eyes at follow-up visit.