Table 3

- Age specific distribution of optic nerve parameters, spherical equivalent and axial length.

Age3-7 years8-12 years13-17 yearsP-value
Spherical equivalent1.26±1.2A0.97±1.8A0.07±2.0B0.024a,b
1.38(-1.3-3.8)0.75(-3.5-5.3)0.31(-5.0-4.0)
Disk area2.27±0.42.38±0.32.35±0.40.472
2.24(1.6-2.9)2.46(1.4-2.8)2.36(1.7-3.1)
Cup area0.52±0.20.50±0.10.49±0.20.729
0.48(0.2-1.1)0.49(0.3-0.8)0.45(0.3-0.8)
Rim area1.64±0.3A1.64±0.3A1.36±0.2B0.007a,b
1.57(1.2-2.8)1.65(1.1-2.2)1.36(1.1-1.7)
C/D area0.23±0.10.21±0.00.21±0.00.304
0.21(0.1-0.4)0.20(0.1-0.3)0.20(0.2-0.3)
Rim/Disk Area0.77±0.10.79±0.00.79±0.00.305
0.79(0.6-0.9)0.80(0.7-0.9)0.81(0.7-0.9)
Axial length22.11±0.7A22.70±1.2B23.89±1.0C<0.001a,c
22.08(21.0-23.9)22.79(20.0-24.6)23.79(22.3-25.5)

*CAPITAL letters indicates Post-Hoc multiple pairing summary indicator.

Having the same letter means the same measure statistically, C/D area=cup disc area

  • a -significant using One-Way ANOVA Test at <0.05 level,

  • b -Post-Hoc Test=LSD,

  • c -Post-Hoc Test=Games Howell,