Changes in Stress-Strain Index in School-Aged Children: A 3-Year Longitudinal Study

Table 3

Correlation coefficients between changes in ocular components and baseline characteristics (r value).

	SSI, baseline	SSI, change	SE, baseline	SE, change	AL, baseline	AL, change	Age, baseline
SSI, change	−0.621
SE, baseline	0.112	0.162
SE, change	0.018	0.183	0.387
AL, baseline	−0.107	0.036	−0.409	−0.058
AL, change	−0.01	−0.205	−0.508	−0.833	0.139
Age, baseline	0.065	−0.062	0.126	0.082	0.093	−0.111
Age, change	0.226	−0.036	0.361	0.179	−0.095	−0.234	0.011

AL, axial length; SE, spherical equivalent; SSI, stress-strain index; correlation is significant at the 0.01 level (2-tailed).