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. Author manuscript; available in PMC: 2016 Aug 12.
Published in final edited form as: JAMA Ophthalmol. 2016 Aug 1;134(8):863–869. doi: 10.1001/jamaophthalmol.2016.1365

Table 2.

Linear regression of the relationship between the average number of hours of patching per day on optotype visual acuity at 4 ½ years of life in the Infant Aphakia Treatment Study

Model Reported Average Hours of
Patching per Day in 1st year
of life		 Reported Average Hours of
Patching per Day between 12
and 48 Months of Age
β6 (95% CI) p β (95% CI) p
Unadjusted −0.077 (−0.125,−0.03) 0.002 −0.059 (−0.093,−0.026) 0.001
Adjusting for Race7, Gender, Age at
Surgery, Insurance Type, Any
Adverse Events in 1st year, Any
Additional Surgeries in 1st year		 −0.075 (−0.12,−0.030) 0.002 −0.055 (−0.089,−0.022) 0.002
Adjusting for above plus adherence
in 1st year of life		 −0.051 (−0.084,−−0.018) 0.003
Adjusting for above plus visual acuity
at 12 months8 		−0.040 (−0.075,−0.005) 0.024
6

Beta represents the expected change in transformed visual acuity associated with a 1 hour increase in reported average hours of daily patching.

7

White vs. Other; Male vs. Female; <48 days versus 49 to 269 days; Private Insurance vs. other pay.

8

Better than 4.2 cycles per degree versus worse than 4.2 cycles per degree