Table 2.
Proportions of children with improved, worsened, or unchanged primary outcomes
| Outcomes | Control | LLRL | χ2 | p | padjusted |
|---|---|---|---|---|---|
| Spherical equivalent error | |||||
| Improved (hyperopic shift) | 3 (3.41%) | 47 (51.65%) | 51.715 | < 0.001 | < 0.001 |
| Unchanged | 27 (30.68%) | 34 (37.36%) | 0.889 | 0.346 | 0.99 |
| Worsened (myopic shift) | 58 (65.91%) | 10 (10.99%) | 57.281 | < 0.001 | < 0.001 |
| Axial length | |||||
| Improved (shortened) | 2 (2.27%) | 58 (63.74%) | 75.843 | < 0.001 | < 0.001 |
| Unchanged | 11 (12.50%) | 21 (23.08%) | 3.409 | 0.065 | 0.195 |
| Worsened (elongated) | 75 (85.23%) | 12 (13.19%) | 92.944 | < 0.001 | < 0.001 |
Data are expressed as no. (%)
LLRL 650 nm low-level red light
P values were adjusted according to Bonferroni criteria because of multiple comparisons