Effect of IOP based infusion system with and without balanced phaco tip on cumulative dissipated energy and estimated fluid usage in comparison to gravity fed infusion in torsional phacoemulsification

Malik, Praveen K.; Dewan, Taru; Patidar, Arun Kr; Sain, Ekta

doi:10.1186/s40662-017-0087-5

Eye and Vision

Table 5 Percentage changes of endothelial cell density, central corneal thickness, coefficient of variance and hexagonal endothelial cells between three groups

From: Effect of IOP based infusion system with and without balanced phaco tip on cumulative dissipated energy and estimated fluid usage in comparison to gravity fed infusion in torsional phacoemulsification

Percentage changes	A (n = 42)	B (n = 42)	C (n = 42)	p value	A vs. B	A vs. C	B vs. C
ECD 1 week				0.016	0.037	0.007	0.444	Kruskal Wallis
Mean ± SD	7.75 ± 0.84	8.08 ± 1.03	8.54 ± 1.47	0.016	0.037	0.007	0.444	Kruskal Wallis
ECD 1 month				0.071	0.18	0.031	0.264	Anova
Mean ± SD	11.48 ± 0.85	11.81 ± 1.32	12.22 ± 2.00	0.071	0.18	0.031	0.264	Anova
ECD 3 months				0.634	0.352	0.491	0.876	Kruskal Wallis
Mean ± SD	15.66 ± 1.53	15.88 ± 1.43	16.29 ± 3.24	0.634	0.352	0.491	0.876	Kruskal Wallis
ECD 6 months				0.061	0.671	0.069	0.027	Kruskal Wallis
Mean ± SD	20.31 ± 1.29	20.47 ± 1.53	20.06 ± 3.06	0.061	0.671	0.069	0.027	Kruskal Wallis
CCT 1 week				0.006	0.001	0.379	0.038	Kruskal Wallis
Mean ± SD	−3.62 ± 1.36	−4.36 ± 0.84	−3.57 ± 2.27	0.006	0.001	0.379	0.038	Kruskal Wallis
CCT 1 month				0.089	0.016	0.737	0.096	Anova
Mean ± SD	−1.38 ± 1.23	−1.96 ± 0.88	−1.49 ± 1.58	0.089	0.016	0.737	0.096	Anova
CCT 3 months				0.205	0.114	0.985	0.135	Kruskal Wallis
Mean ± SD	0.63 ± 1.33	0.51 ± 2.83	0.61 ± 1.41	0.205	0.114	0.985	0.135	Kruskal Wallis
CCT 6 months				0.110	0.033	0.648	0.17	Kruskal Wallis
Mean ± SD	1.05 ± 1.32	0.46 ± 0.86	0.9 ± 1.42	0.110	0.033	0.648	0.17	Kruskal Wallis
CV 1 week				<.0001	0.041	0.0001	0.003	Kruskal Wallis
Mean ± SD	−10.81 ± 3.11	−11.00 ± 1.45	−11.99 ± 4.46	<.0001	0.041	0.0001	0.003	Kruskal Wallis
CV 1 month				<.0001	0.166	<.0001	<.0001	Kruskal Wallis
Mean ± SD	−0.34 ± 2.77	−0.69 ± 2.84	−3.97 ± 4.63	<.0001	0.166	<.0001	<.0001	Kruskal Wallis
CV 3 months				<.0001	0.762	<.0001	<.0001	Kruskal Wallis
Mean ± SD	1.54 ± 2.35	1.45 ± 2.45	−2.34 ± 4.54	<.0001	0.762	<.0001	<.0001	Kruskal Wallis
CV 6 months				<.0001	0.055	<.0001	<.0001	Anova
Mean ± SD	−8.55 ± 3.71	−7.11 ± 3.07	−12.98 ± 5.16	<.0001	0.055	<.0001	<.0001	Anova
6A 1 week				0.803	0.926	0.63	0.534	Anova
Mean ± SD	34.19 ± 5.59	34.29 ± 4.28	33.57 ± 6.12	0.803	0.926	0.63	0.534	Anova
6A 1 month				0.002	0.308	0.001	0.005	Kruskal Wallis
Mean ± SD	23.04 ± 6.46	21.32 ± 5.67	17.32 ± 8.67	0.002	0.308	0.001	0.005	Kruskal Wallis
6A 3 months				<.0001	0.534	<.0001	0.0004	Kruskal Wallis
Mean ± SD	11.43 ± 7.85	9.65 ± 7.11	2.96 ± 9.54	<.0001	0.534	<.0001	0.0004	Kruskal Wallis
6A 6 months				<.0001	0.274	<.0001	0.0004	Anova
Mean ± SD	7.36 ± 8.15	5.48 ± 7.49	−1.62 ± 9.95	<.0001	0.274	<.0001	0.0004	Anova

ECD= endothelial cell density, CCT= central corneal thickness, CV= coefficient of variance, 6A= percentage of hexagonal endothelial cells

Back to article page

ISSN: 2326-0254

Contact us

Submission enquiries: editorial@eandv.org
General enquiries: info@biomedcentral.com