Research Article

Skin Biophysical Characteristics in Patients with Keratoconus: A Controlled Study

Table 1

CRRT, stratum corneum hydration, and melanin measurements in patients with keratoconus and healthy controls.

MeasurementsPatients with keratoconus ()Healthy controls () value

CRRT (neck)
 Median (range)432 (233–820)492.5 (319–980)
 IQR(340.5–600)(424.8–646.5)
CRRT (arm)
 Median (range)460 (228–750)516 (427–790)
 IQR(400.75–500)(464.5–608.8)
Stratum corneum hydration
 Median (range)30.55 (20.30–55.30)36.60 (18.30–58.00)
 IQR(28.08–34.15)(32.60–40.90)
Melanin
 Median (range)233.5 (135–302)238.5 (34.3–342)
 IQR(183.25–266)(202–271)

CRRT, cutaneous resonance running time; IQR, interquartile range (25th–75th percentiles).