TABLE 2.

Characteristics of the participants.

Variable
Total number	426
Age (years)	7.28 ± 0.46
Males, N (%)	236 (55.4%)
Baseline Myopia, N (%)	49 (11.5)
Baseline SE (D)a	0.00 (−0.50, 0.33)
Baseline AL (mm)b	22.97 ± 0.76
Baseline CRC (mm)b	7.80 ± 0.26
Baseline CCT (mm)b	0.54 ± 0.03
Baseline LT (mm)b	3.57 ± 0.18
Baseline ACD (mm)b	2.92 ± 0.25
ΔSE (D/y)a	−0.32 (−0.60, −0.10)
ΔSE > −0.50 (D/y), N (%)	145 (34.0%)
ΔAL (mm/y)a	0.30 (0.20, 0.40)
ΔCRC (mm/y)a	−0.016 (−0.03, −0.01)
ΔCCT (mm/y)a	2.00 (0.95, 3.14)
ΔLT (mm/y)a	−0.04 (−0.08, 0.01)
ΔACD (mm/y)a	0.05 (0.04, 0.07)

SE, spherical equivalent refraction; D, diopter; AL, axial length; CRC, corneal radius of curvature; CCT, central corneal thickness; ACD, anterior chamber depth. Δ is the change in the SE, AL, CRC, CCT, LT, and ACD per year during the 3.5-year follow-up. ^aMedian (Q1, Q3); ^bmean ± SD.