The retardation effect of myopia progression from different cut-offs of lens wearing time
| Wearing time (hours/day) | Mean SER differences between two groups | p Value | % retardation of myopia progression | 95% CI |
|---|---|---|---|---|
| All | 0.21 | 0.031 | 25 | −0.39 to −0.02 |
| 4 or more | 0.23 | 0.019 | 28 | −0.42 to −0.04 |
| 5 or more | 0.39 | 0.001 | 46 | −0.59 to −0.17 |
| 6 or more | 0.44 | 0.001 | 50 | −0.69 to −0.20 |
| 7 or more | 0.54 | 0.001 | 58 | −0.85 to −0.24 |
| 8 or more | 0.53 | 0.014 | 60 | −0.94 to −0.12 |
SER, Spherical equivalent refraction.