Appendix Table A8.
Distribution of Parent-reported Frequency of the Child’s Diplopia and Change in Diplopia Frequency from Baseline By Treatment Group.
| Baseline | 4 weeks | 8 weeks | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| Parent-reporteda | Binocular Treatment |
Continued Spectacles |
Binocular Treatment |
Continued Spectacles |
Binocular Treatment |
Continued Spectacles |
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|
|
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| N | % | N | % | N | % | N | % | N | % | N | % | |
|
| ||||||||||||
| Per Group(N) | 91 | 90 | 87 | 84 | 86 | 84 | ||||||
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| Diplopia frequency b | ||||||||||||
| Never | 87 | 96% | 86 | 96% | 78 | 90% | 79 | 94% | 78 | 91% | 78 | 93% |
| Less than once a week | 2 | 2% | 0 | 0% | 2 | 2% | 2 | 2% | 4 | 5% | 4 | 5% |
| Once a week | 0 | 0% | 3 | 3% | 4 | 5% | 0 | 0% | 1 | 1% | 1 | 1% |
| Once a day | 1 | 1% | 1 | 1% | 3 | 3% | 3 | 4% | 2 | 2% | 0 | 0% |
| Up to 10 times a day | 1 | 1% | 0 | 0% | 0 | 0% | 0 | 0% | 1 | 1% | 0 | 0% |
| More than 10 times a day | 0 | 0% | 0 | 0% | 0 | 0% | 0 | 0% | 0 | 0% | 0 | 0% |
| All the time | 0 | 0% | 0 | 0% | 0 | 0% | 0 | 0% | 0 | 0% | 1 | 1% |
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| Change in diplopia frequency from baseline c | ||||||||||||
| Increased frequency (> 2 levels) | 6 | 7% | 2 | 2% | 2 | 2% | 1 | 1% | ||||
| Similar frequency (within 1 level) | 79 | 92% | 80 | 95% | 82 | 96% | 80 | 95% | ||||
| Reduced frequency (> 2 levels) | 1 | 1% | 2 | 2% | 1 | 1% | 3 | 4% | ||||
a
The parental assessment may be missing if the parent/guardian was not available at the visit.
b
The exact Wilcoxon rank sum test was used to compare diplopia frequency at 4 weeks (P > .99) and at 8 weeks (P = .50) between the treatment groups.
c
The exact Wilcoxon rank sum test was used to compare the change in diplopia frequency from baseline to 4 weeks (P = .49) and to 8 weeks (P = .25) between the treatment groups.