Table 2

Comparisons of ONH parameters in different astigmatism groups (<a onClick="popup('http://www.diagnosticpathology.org/content/7/1/55/mathml/M2','MathML',630,470);return false;" target="_blank" href="http://www.diagnosticpathology.org/content/7/1/55/mathml/M2">View MathML</a>)
Normal astigmatism group High corneal astigmatism group P*
Disc area 1.70 (0.32) 1.95 (0.58) 0.030
Rim area 1.25 (0.30) 1.44 (0.34) 0.019
Vertical C/D ratio 0.44 (0.13) 0.41 (0.18) 0.423
Average C/D ratio 0.48 (0.13) 0.44 (0.16) 0.374
Cup volume 0.096 (0.09) 0.097 (0.10) 0.970

*Independent t-test, ONH indicates optic nerve head, C/D indicates ratio cup-to-disk.

Liu et al.

Liu et al. Diagnostic Pathology 2012 7:55   doi:10.1186/1746-1596-7-55

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