Impaired Corneal Biomechanical Properties and the Prevalence of Keratoconus in Mitral Valve Prolapse

Table 3

Corneal topographical properties of the patients and the control groups.

Variables	MVP group (𝑛: 52)	KC group (𝑛: 39)	Control group (𝑛: 45)	𝑃 value^a	𝑃 value^b	𝑃 value^c
Sim-K1, D	42.92±1.42	47.69±3.34	42.77±1.31	0.61	0.001	0.001
Sim-K2, D	43.97±1.53	52.22±3.86	44.16±1.33	0.52	0.001	0.001
ACT, 𝜇m	548.4±31.0	441.8±48.8	554.0±31.9	0.39	0.001	0.001
CCT, 𝜇m	539.3±33.4	443.2±42.6	546.69±30.1	0.26	0.001	0.001

aStudent’s 𝑡-test, MVP-control group, ^bStudent’s 𝑡-test, MVP-KC group, ^cStudent’s 𝑡-test, KC-control group, MVP: mitral valve prolapse, KC: keratoconus, Sim-K1: simulated keratometry 1, Sim-K2: simulated keratometry 2, ACT: apical corneal thickness, CCT: central corneal thickness.