Evaluation of a Tangential Map-Based Nomogram for Intrastromal Corneal Ring Segments’ Implantation in Keratoconus: One Year Results

Table 1

Baseline characteristics of study population.

Variable	Axial group (n = 36)	Tangential group (n = 28)	value
Age	27.6 ± 3.8	23.7 ± 3.5	0.07
Gender
Males	24 (67.7%)	12 (42.8%)	0.9
Females	12 (33.3%)	16 (57.2%)
UDVA	0.12 ± 0.0.4	0.09 ± 0.06	0.2
CDVA	0. 24 ± 0.08	0.35 ± 0.1	0.4
MRSE (D)	−4.9 ± 1.00	−6.7 ± 3.3	0.1
Km (D)	51.7 ± 5.8	51.09 ± 2.38	0.2
Kmax (D)	53.6 ± 2.5	54 ± 6.4	0.9
Q value	−1.28 ± 0.53	−1.38 ± 1.30	0.7
Thinnest location (µm)	395.3 ± 33.8	398 ± 29.7	0.2