Table 2. Comparison of IOP, ECD, CCT and percentage differences in IOP, ECD and CCT between groups over time.

Variables	Groups		P
	Control (n=42)	PEX (n=42)
IOP
Preop.	14.1±3.3	15.6±4.4	0.069
Postop. 1d	15.5±5.6	19.4±8.6	0.015
Postop. 7d	13.6±4.3	13.9±4.3	0.827
Postop. 30d	12.7±3.3	13.1±4.0	0.645
ECD
Preop.	2533±320	2304±303	0.001
Postop. 1d	2330±356	2050±316	0.0001
Postop. 7d	2325±365	2043±326	0.0001
Postop. 30d	2331±340	2043±312	0.0001
Δ0_1	-8.19±6.49	-11.08±6.54	0.040
Δ0_7	-8.48±6.12	-11.46±5.78	0.021
Δ0_30	-8.11±5.31	-11.42±5.18	0.004
CV
Preop.	37.7±5.6	38.3±5.8	0.578
Postop. 1d	39.6±6.6	40.4±5.5	0.561
Postop. 7d	39.3±5.0	40.2±7.7	0.568
Postop. 30d	38.6±4.3	38.3±4.6	0.805
HEX
Preop.	49.6±8.1	48.0±9.8	0.416
Postop. 1d	48.9±8.9	45.4±10.6	0.112
Postop. 7d	49.9±8.3	45.2±11.0	0.055
Postop. 30d	49.1±7.1	47.3±6.9	0.313
CCT
Preop.	508±31	499±31	0.176
Postop. 1d	532±44	536±39	0.656
Postop. 7d	521±43	520±36	0.871
Postop. 30d	510±36	501±32	0.238
Δ0_1	4.55±4.24	7.47±4.18	0.002
Δ0_7	2.51±4.38	4.19±3.70	0.041
Δ0_30	0.28±2.22	0.20±1.37	0.851

IOP: Intraocular pressure; ECD: Endothelial cell density; CV: Coefficient of variation; HEX: Percentage of hexagonalty; CCT: Central corneal thickness; Δ: Percentage of change.

x±s