Table 2.

Summary statistics for mean growth rate and ophthalmic outcome variables, by gender. Values are presented as Mean (Standard Deviation).

Variable	Boys	Girls
Mean growth rate
Height
At birth (cm)	50.65 (1.78)	49.65 (1.58)
Period 1 (cm/month)	3.83 (0.20)	3.86 (0.16)
Period 2 (cm/month)	1.69 (0.20)	1.84 (0.16)
Period 3 (cm/month)	0.96 (0.09)	0.90 (0.09)
Period 4 (cm/month)	0.53 (0.04)	0.53 (0.04)
Weight
At birth (kg)	3.59 (0.52)	3.46 (0.46)
Period 1 (kg/month)	0.96 (0.15)	0.82 (0.13)
Period 2 (kg/month)	0.43 (0.11)	0.44 (0.10)
Period 3 (kg/month)	0.19 (0.03)	0.20 (0.03)
Period 4 (kg/month)	0.27 (0.09)	0.28 (0.10)
Ophthalmic outcome
MSE at 15 years (D)	−0.001 (1.16)	−0.076 (1.10)
MSE at 11 years (D)	−0.383 (1.29)	−0.415 (1.26)
AXL at 15 years (mm)	23.67 (0.87)	23.18 (0.85)
RCC at 15 years (mm)	7.87 (0.27)	7.77 (0.251)

Abbreviations: MSE – Mean Spherical Equivalent; AXL – Axial Length; RCC – Radius of Corneal Curvature; D-Diopters