Table 2.

Baseline demographic and clinical characteristics of the study population.

	XEN (n = 29)	PreserFlo (n = 29)	p
Study eye, OD, no (%)	16 (55%)	15 (52%)	0.86
Mean age, yrs	73.2 ± 4.8	72.2 ± 5.7	0.68
Gender, male, no (%)	13 (45%)	15 (52%)	0.47
BCVA ± SD, decimals	0.61 ± 0.3	0.54 ± 0.3	0.32
Mean IOP ± SD; mmHg	22.1 ± 2.9	22.0 ± 3.3	0.81
Mean CCT ± SD, µm	535 ± 51	541 ± 32	0.79
Mean no. of IOP-lowering drugs ± SD	2.5 ± 1.0	2.7± 0.8	0.53
History of phacoemulsification (%)	19 (66%)	22 (76%)	0.24
History of SLT (%)	6 (21%)	7 (24%)	0.36

BCVA = Best Corrected Visual Acuity; IOP = intraocular pressure; CCT = central corneal thickness; SLT = selective laser trabeculoplasty.