Table 3.

Lower Pole Angle Measurements

	LithoVue	URF-P5	URF-V	p
No UAS/working channel empty	179 ± 12.7	179.5 ± 9.2	168.5 ± 0.7	0.33
Yes UAS/working channel empty	176.7 ± 5.9	178 ± 3.5	170 ± 4.1	0.21
Optiflex	175.3 ± 2.1	176.3 ± 2.1	168 ± 7.5	0.24
Zero-tip	173 ± 3.6	175 ± 2.6	167.3 ± 8.1	0.23
Ball tip laser fiber	174.7 ± 4.9	177.3 ± 2.9	168.3 ± 4.9	0.11
Standard laser fiber	174.3 ± 5.7	176.6 ± 3.2	167.3 ± 4.9	0.14