Table 2

Ocular and body parameters during 3-year follow-up period

AllBoysGirlsP value*
Axial length (mm)
 At 1 year23.02±0.7623.26±0.7622.80±0.71<0.001
 At 2 years23.27±0.8123.49±0.8223.07±0.76<0.001
 At 3 years23.64±0.9123.84±0.9323.46±0.86<0.001
 Mean change over 1 year0.27±0.280.27±0.280.27±0.290.813
 Mean change over 2 years0.52±0.400.51±0.390.53±0.400.495
 Mean change over 3 years0.89±0.510.86±0.480.92±0.530.192
Spherical equivalent (D)
 At 1 year−0.31±0.95−0.32±1.02−0.30±0.880.855
 At 2 years−0.60±1.18−0.58±1.23−0.61±1.140.761
 At 3 years−0.99±1.51−0.95±1.57−1.03±1.450.590
 Mean change over 1 year−0.27±0.80−0.30±0.78−0.26±0.820.588
 Mean change over 2 years−0.56±1.00−0.56±0.95−0.56±1.060.922
 Mean change over 3 years−0.95±1.41−0.93±1.42−0.98±1.400.695
Height (cm)
 At 1 year130.1±6.2130.9±6.2129.3±6.10.009
 At 2 years134.8±6.8135.5±6.4134.2±7.10.048
 At 3 years141.1±7.3141.0±6.8141.2±7.70.844
 Mean change over 1 year6.7±1.86.7±1.96.8±1.60.518
 Mean change over 2 years11.5±2.511.3±1.911.6±2.90.125
 Mean change over 3 years17.5±7.416.2±9.918.6±3.40.001
Weight (kg)
 At 1 year30.0±7.031.7±7.628.4±5.9<0.001
 At 2 years33.7±8.035.5±8.532.1±7.1<0.001
 At 3 years38.5±9.540.6±10.136.7±8.4<0.001
 Mean change over 1 year3.4±2.03.8±2.23.0±1.6<0.001
 Mean change over 2 years7.1±3.47.6±3.66.7±3.20.005
 Mean change over 3 years11.8±5.012.5±5.611.3±4.30.009
  • The mean age was 6.9±0.7 years, ranging from 6 to 8 years in 2014.

  • *Comparison between boys and girls.