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Table 5 Correlation Analysis between Graft-host Characteristics and Visual Outcome Parameters

From: Malapposition of graft-host interface after penetrating keratoplasty (PK) and deep anterior lamellar keratoplasty (DALK): an optical coherence tomography study

 

SE correlation index (P)

logMAR BCVA correlation index (P)

DS correlation index (P)

DC correlation index (P)

Astig value correlation index (P)

F (step)

0.46 (0.001)

0.24 (0.113)

0.46 (0.002)

0.12 (0.427)

0.22 (0.142)

F (graft step)

0.40 (0.028)

0.33 (0.075)

0.41 (0.024)

0.03 (0.859)

−0.01 (0.973)

F (host step)

0.37 (0.160)

− 0.16 (0.565)

0.37 (0.157)

0.15 (0.582)

0.09 (0.739)

F (protrusion)

−0.29 (0.055)

− 0.38 (0.010)

− 0.29 (0.051)

0.04 (0.820)

0.09 (0.578)

F (hill)

−0.36 (0.186)

0.01 (0.969)

−0.27 (0.332)

−0.32 (0.242)

− 0.22 (0.432)

F (tag)

0.58 (0.134)

−0.42 (0.297)

0.58 (0.134)

−0.25 (0.552)

0.41 (0.310)

F (gape)

0.07 (0.860)

−0.14 (0.720)

−0.13 (0.724)

0.14 (0.724)

0.41 (0.272)

GHT

−0.34 (0.021)

0.32 (0.030)

−0.38 (0.010)

0.00 (0.989)

0.02 (0.908)

Pm

0.35 (0.018)

0.08 (0.609)

0.32 (0.027)

0.12 (0.451)

0.13 (0.395)

Sm

0.31 (0.037)

0.14 (0.377)

0.28 (0.061)

0.17 (0.253)

0.30 (0.047)

Tg

0.03 (0.022)

0.49 (0.001)

0.33 (0.025)

0.10 (0.502)

0.09 (0.538)

Th

0.05 (0.741)

−0.04 (0.779)

0.07 (0.647)

−0.05 (0.735)

0.11 (0.483)

|Tg-Th|

0.40 (0.007)

0.10 (0.522)

0.36 (0.015)

0.21 (0.165)

0.25 (0.102)

  1. SE Spherical equivalent diopter, logMAR BCVA Logarithm of minimum angle of resolution best-corrected visual acuity, DS Diopter of spherical power, DC Diopter of spherical power, F Frequency of apposition, GHT Mean graft-host touch, Pm Total prevalence of malapposition proportion, Sm Size of malapposition, Tg Junctional graft thickness, Th Junctional host thickness