Determination of Length of Interdigitation Zone by Optical Coherence Tomography and Retinal Sensitivity by Microperimetry and Their Relationship to Progression of Retinitis Pigmentosa

Table 3

Association between the annual progression and baseline value of each parameter.

	Regression coefficient	Standard error	95% CI	p value
Retinal sensitivity	6.20e^−2	2.12e^−2	2.04e^−2 to 1.04e^−1	0.0035
ELM	1.77e^−2	1.02e^−2	-2.28e^−3 to 3.77e^−2	0.082
EZ	2.55e^−2	1.22e^−2	1.48e^−3 to 4.95e^−2	0.037
IZ	9.23e^−2	3.14e^−2	3.08e^−2 to 1.54e^−1	0.0033

CI, confidence interval; ELM, external limiting membrane; EZ, ellipsoid zone; IZ, interdigitation zone.