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. 2011 Oct 28;5:1549–1556. doi: 10.2147/OPTH.S22097

Table 5.

Relationship between mean blur rate and Heidelberg retina tomograph II parameters

Disc MA Disc MV Disc MT



r P r P r P
Disc area 0.0431 0.7971 0.3086 0.0594 −0.0922 0.5821
Cup area 0.3637 0.0248 0.0477 0.7760 −0.5616 0.0002
Rim area 0.5588 0.0003 0.3300 0.0431 0.6534 <0.0001
Cup/Disc area ratio −0.5437 0.0004 −0.1979 0.2337 −0.7116 <0.0001
Rim/Disc area ratio 0.5437 0.0004 0.1979 0.2337 0.7116 <0.0001
Cup volume −0.3636 0.0248 −0.0760 0.6504 −0.4831 0.0021
Rim volume 0.3430 0.0350 0.1134 0.4978 0.4969 0.0015
Mean cup depth −0.1848 0.2667 −0.1542 0.3555 −0.1805 0.2782
Maximum cup depth −0.1737 0.2970 −0.3334 0.0408 0.0381 0.8204
Height variation contour −0.4261 0.0076 −0.3365 0.0388 −0.3875 0.0162
Cup shape measure −0.3017 0.0657 −0.0224 0.8939 −0.4747 0.0026
Mean RNFL thickness 0.4096 0.0106 0.1852 0.2657 0.4606 0.0036
RNFL cross-sectional area 0.4418 0.0055 0.2518 0.1272 0.4523 0.0044
Horizontal cup/disc ratio −0.2344 0.1567 −0.0984 0.5567 −0.2386 0.1491
Vertical cup/disc ratio −0.6208 <0.0001 −0.3226 0.0482 −0.6438 <0.0001

Notes: Data are described in each column; r = correlation coefficient between mean deviation slope and each clinical parameter; P = statistical significanc; bold signifies statistically significant values.

Abbreviations: RNFL, retinal nerve fiber layer; disc MA, mean blur rate in all area of the optic disc; disc MA, mean blur rate in all area of the optic disc; disc MT, mean blur rate in tissue area of the optic disc.