. Author manuscript; available in PMC: 2018 Mar 12.

Published in final edited form as: Ophthalmology. 2017 Sep 22;125(1):89–99. doi: 10.1016/j.ophtha.2017.07.019

Table 2.

Statistical Comparison of Clinical Characteristics between the Rapid-Onset Chorioretinopathy Phenotype and ABCA4 Disease

	ROC	Overall ABCA4 Disease Cohort	P Value	Age-Matched ABCA4 Disease Cohort	P Value
Cases (n)	16	284	—	127	d
Mean age (yrs)	23.4	39.6	6 × 10⁻⁶	23.4	0.977
Onset age (yrs)	7.3	21.9	8 × 10⁻²⁸	15.1	3 × 10⁻¹³
Pigment migration (%)	75%	50%	0.308	27%	0.018
Outer retinal atrophy (%)	81%	58%	0.431	36%	0.046

ROC = rapid-onset chorioretinopathy.

Bold text indicates statistical significance (P ≤ 0.05).