Intraocular Pressure Changes during Femtosecond Laser-Assisted Cataract Surgery: A Comparison between Two Different Patient Interfaces

Table 1

Demographic and clinical characteristics at the baseline.

Patient demographics and preoperative clinical status
Parameter	Group 1		Group 2		value (<0.01)
	Mean ± SD	Range	Mean ± SD	Range
Age (y)	72.4 ± 7.6	47, 89	71.5 ± 13.9	23, 89	0.69
Male : female (n)	33 : 28	—	27 : 28	—	—
Left eye : right eye (n)	37 : 24	—	32 : 23	—	—
ACD (mm)	3.06 ± 0.24	2.61, 3.6	3.17 ± 0.38	2.58, 4.06	0.42
CCT (µm)	560.9 ± 35.6	525, 630	555.2 ± 28.5	509, 634	0.38
AL (mm)	23.84 ± 1.49	21.56, 28.9	23.92 ± 1.36	21.93, 27.3	0.76
Preop IOP (mmHg)	14.1 ± 0.4	10, 22	13.8 ± 0.4	10, 20	0.15

ACD: anterior chamber depth; CCT: central cornea thickness; AL: axial length.