Journal of Ophthalmology / 2014 / Article / Tab 1

Clinical Study

Evaluation of Pachymetric Measurements with Scheimpflug Photography-Based System and Optical Coherence Tomography Pachymetry at Different Stages of Keratoconus

Table 1

Patient demographics.

Stage 1 ( )Stage 2
( )
Stage 3 ( )Stage 4 ( )Total ( )

Age
 Min/max21/4021/3922/3521/3521/40
 Mean ± SD 26.34 ± 4,5828,83 ± 4,9526,23 ± 4,5626,42 ± 4,45
Sex
 Female ( , %)13 (40.6%)10 (37.1%)7 (53.8%)8 (66.6%)38 (45.2%)
 Male ( , %)19 (59.3%)17 (62.9%)6 (46.2%)4 (33.3%)46 (54.7%)
(D)
 Min/max38,31/47,2545,04/51,0550,01/53,952,27/64,0538,31/64,05
 Mean ± SD43,98 ± 1,6748 ± 1,5751,99 ± 1,555,95 ± 3,7646,49 ± 3,99
(D)
 Min/max41,33/63,1449,38/56,8355,02/57,5157,89/68,5941,33/68,59
 Mean ± SD46,9 ± 2,8652,04 ± 1,5856,84 ± 0,9461,09 ± 3,5850,01 ± 4,95
Mean keratometric value (D)
 Min/max40,73/47,9948,07/52,8553,23/54,9455,04/65,0740,73/65,07
 Mean ± SD45,31 ± 1,6949,93 ± 1,3754,28 ± 0,6458,39 ± 3,4748,13 ± 4,28
apex (D)
 Min/max44,34/85,954,02/67,2460,7/74,1863,08/153,744,34/153,7
 Mean ± SD53,12 ± 6,0359,06 ± 3,2964,75 ± 4,8280,35 ± 26,8657,57 ± 11,48