x = baseline AL difference (mm) × 10
 g = signed growth difference (mm / 6 months) × 10
 η = −4.78405979380143 + 0.6696684016643029 × x + 1.2501430016860613 × g
 p = 1 / [1 + exp(−η)]
 A2: p > 0.03543760156428906
 SE: absolute difference > 0.375 D