BMC Ophthalmology

Table 3 Bivariate correlation analysis of influencing factors on post-phacoemulsification corneal damage

From: Comparisons of the energy efficiency and intraocular safety of two torsional phacoemulsification tips

	Change of P1D CCT						Loss rate of ECD
	Total		Soft nucleus		Hard nucleus		Total		Soft nucleus		Hard nucleus
	Correlation coefficient	P value	Correlation coefficient	P value	Correlation coefficient	P value	Correlation coefficient	P value	Correlation coefficient	P value	Correlation coefficient	P value
ACD	-0.124	0.211	-0.077	0.643	-0.18	0.151	-0.259	0.024	-0.027	0.887	-0.362	0.014
Total CDE	0.519	< 0.001	0.084	0.609	0.473	< 0.001	0.445	0.088	0.118	0.526	0.473	0.001
CLE	0.316	0.001	-0.02	0.905	0.283	0.022	0.359	0.001	0.11	0.556	0.389	0.008
CTE	0.526	< 0.001	0.088	0.596	0.481	< 0.001	0.446	< 0.001	0.118	0.526	0.474	0.001

CCT corneal central thickness, ECD endothelial cell density, ACD anterior chamber depth, CDE cumulative dissipated energy, CTE cumulated torsional energy, CLE cumulated longitudinal energy, P1D one day after surgery

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ISSN: 1471-2415

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