Table 3:
Visual Acuity at Ages 4 and 10.5 Years by Median (IQR) of Average Reported Hours of Patching per Day Among Participants in the Infant Aphakia Treatment Study
| 20/40 OR BETTER | WORSE THAN 20/40 BUT BETTER THAN 20/80 | 20/80 TO BETTER THAN 20/200 | 20/200 OR WORSE | KRUSKALL-WALIS TEST1 | |
|---|---|---|---|---|---|
| Visual Acuity at 4 Years 2 | |||||
| SAMPLE SIZE | 24 | 19 | 19 | 43 | |
| <12 MONTHS | 4.13 (3.22,5.09) | 4.59 (3.50,5.15) | 4.37 (2.60,5.99) | 2.89 (1.98,4.38) | 11.88 (p<0.01) |
| 12 – 24 MONTHS | 5.46 (2.78,5.60) | 4.60 (4.08,5.58) | 3.28 (1.77,4.52) | 2.64 (0.95,4.32) | 13.35 (p<0.01) |
| 24–36 MONTHS | 4.93 (2.63,5.72) | 4.22 (3.85,6.00) | 2.92 (1.21,4.80) | 2.32 (1.17,4.19) | 14.34 (p<0.01) |
| 36–48 MONTHS | 3.84 (0.84,6.46) | 4.23 (3.02,6.11) | 2.67 (0.90,4.76) | 2.15 (0.41,3.45) | 13.03 (p<0.01) |
| Visual Acuity at 10.5 Years | |||||
|
| |||||
| SAMPLE SIZE | 26 | 13 | 22 | 44 | 9.82 (p=0.02) |
| <12 MONTHS | 4.13 (3.09,5.12) | 4.78 (4.11,5.07) | 4.19 (2.90,5.40) | 2.90 (2.16,4.62) | 10.43 (p=0.02) |
| 12 – 24 MONTHS | 4.12 (2.43,5.65) | 4.81 (4.07,5.10) | 3.93 (2.87,4.52) | 2.51 (1.08,4.61) | 12.43 (p<0.01) |
| 24–36 MONTHS | 4.59 (2.50,5.61) | 4.49 (3.96,5.82) | 3.28 (2.39,5.13) | 2.22 (1.67,4.01) | 10.84 (p=0.01) |
| 36–48 MONTHS | 3.61 (2.18,6.08) | 4.79 (3.62,5.92) | 3.57 (1.72,5.57) | 2.37 (0.31,3.50) | 9.30 (p=0.03) |
| 48–60 MONTHS | 3.45 (1.35,5.31) | 4.58 (3.13,5.93) | 3.21 (2.09,4.53) | 1.26 (0.00,3.91) | 9.30 (p=0.03) |
1
3 degrees of freedom
2
Data on the median reported average daily hours of patching between 48 and 60 months of age not shown for visual acuity at age 4 years since the patching would have occurred after the visual acuity measurement.