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Table 2 Comparisons of Demographics and Postoperative Parameters between Post-PK and Post-DALK groups

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

 

Post-PK

Post-DALK

P

Mean (SD)

Mean (SD)

Age (Years)

25.82 (7.29)

22.35 (6.00)

.088

Mean follow-up time (Months)

38.18 (22.91)

20.82 (10.54)

.003

IOP (mmHg)

18.13 (1.29)

17.74 (1.68)

.838

logMAR BCVA

0.25 (0.24)

0.47 (0.20)

.002

SE (diopter)

−4.59 (4.74)

−1.29 (3.75)

.013

DS (diopter)

−2.35(4.55)

0.81 (3.29)

.010

DC (diopter)

−4.47(2.64)

−4.19 (2.57)

.720

Astig value (diopter)

0.05 (4.35)

0.72 (4.53)

.618

GHT (μm)

686.50 (102.09)

679.52 (52.84)

.778

Pm (%)

54.5 (30.5)

62.0 (31.2)

.421

Sm (μm)

113.36 (80.50)

125.48 (78.12)

.611

Tg (μm)

617.31(61.77)

713.87 (68.82)

<.0001

Th (μm)

646.41 (83.40)

631.09 (38.98)

.431

|Tg-Th|(μm)

50.45 (55.61)

85.74 (54.68)

.038

  1. Post-PK Post-penetrating keratoplasty, post-DALK Post-deep anterior lamellar keratoplasty, SD Standard deviation, IOP Intraocular pressure, logMAR BCVA Logarithm of minimum angle of resolution best-corrected visual acuity, SE Spherical equivalent diopter, DS Diopter of spherical power, DC Diopter of cylindrical power, GHT Mean graft-host touch, Pm Total prevalence of malapposition proportion, Sm Size of malapposition, Tg Junctional graft thickness, Th Junctional host thickness