Fig. 2.
From: The possible causes for tomography suspect Keratoconus in a Chinese cohort
[Left] Compare the central corneal thickness measured by A-ultrasonic (AUS-CCT) between true negative group (TNG) and false positive group (FPG). There is statistical significant difference (p < 0.001) for mean between the two groups. [Middle] Compare the minimum thickness (ThkMin) measured by Sirius between true negative group (TNG) and false positive group (FPG). There is statistical significant difference (p < 0.001) for mean between the two groups. [Right] Compare the minimum thickness (ThkMin) measured by Pentacam between true negative group (TNG) and false positive group (FPG). There is statistical significant difference (p < 0.001) for mean between the two groups