Table 2. One-Year Change in Outcomes.
| Characteristic | Mean change (SD) | Mean difference (95% CI) | P value | |
|---|---|---|---|---|
| Control (n = 168) | Treatment (n = 168) | |||
| All children (n = 336) | ||||
| AL, mm | 0.26 (0.16) | −0.11 (0.10) | 0.37 (0.34 to 0.40) | <.001 |
| SER, D | −0.65 (0.33) | 0.24 (0.27) | −0.89 (−0.95 to −0.83) | <.001 |
| ChT, μm | −22.26 (12.05) | 16.46 (18.15) | −38.72 (−42.02 to −35.41) | <.001 |
| UDVA | −0.09 (0.32) | 0.02 (0.36) | −0.11 (−0.18 to −0.04) | <.001 |
| IOP, mm Hg | 0.22 (1.53) | 0.63 (1.88) | −0.41 (−1.21 to 0.39) | .31 |
| CCT, μm | 2.49 (4.61) | 6.58 (5.54) | −4.09 (−14.75 to 6.57) | .45 |
| AD, mm | 0.08 (0.13) | 0.06 (0.15) | 0.01 (−0.02 to 0.05) | .38 |
| LT, mm | −0.04 (0.12) | −0.04 (0.12) | −0.01 (−0.03 to 0.02) | .75 |
| K1, D | −0.09 (0.75) | −0.16 (0.77) | 0.07 (−0.09 to 0.23) | .38 |
| K2, D | −0.04 (0.71) | −0.028 (0.75) | −0.01 (−0.17 to 0.14) | .86 |
| Children with myopia (n = 224) | ||||
| AL, mm | 0.27 (0.14) | −0.12 (0.11) | 0.39 (0.35 to 0.43) | <.001 |
| SER, D | −0.71 (0.30) | 0.26 (0.29) | −0.97 (−1.05 to −0.89) | <.001 |
| ChT, μm | −23.38 (9.24) | 17.88 (19.42) | −41.26 (−45.26 to −37.26) | <.001 |
| UDVA | −0.06 (0.29) | 0.034 (0.37) | −0.09 (−0.18 to −0.01) | <.001 |
| Children without myopia (n = 112) | ||||
| AL, mm | 0.24 (0.18) | −0.09 (0.08) | 0.33 (0.28 to 0.38) | <.001 |
| SER, D | −0.51 (0.35) | 0.20 (0.22) | −0.71 (−0.82 to −0.60) | <.001 |
| ChT, μm | −20.02 (16.15) | 13.63 (15.05) | −33.65 (−39.49 to −27.81) | <.001 |
| UDVA | −0.16 (0.36) | −0.01 (0.33) | −0.15 (−0.28 to −0.02) | <.001 |
Abbreviations: AD, anterior chamber depth; AL, axial length; CCT, central corneal thickness; ChT, choroid thickness; D, diopter; IOP, intraocular pressure; K1, flat keratometry; K2, steep keratometry; LT, length thickness; SER, spherical equivalent error; UDVA, uncorrected distance visual acuity.