|
Parameter
|
Observer
|
Mean ± SD
|
Sw
|
TRT
|
CoV (%)
|
ICC (95% CI)
|
|---|
|
Km
|
1st
|
43.13 ± 1.44
|
0.09
|
0.26
|
0.21
|
0.996 (0.994 to 0.997)
|
|
2nd
|
43.14 ± 1.44
|
0.09
|
0.26
|
0.22
|
0.996 (0.994 to 0.997)
|
|
J0
|
1st
|
−0.71 ± 0.45
|
0.09
|
0.25
|
–
|
0.962 (0.945 to 0.974)
|
|
2nd
|
−0.70 ± 0.45
|
0.09
|
0.25
|
–
|
0.961 (0.944 to 0.974)
|
|
J45
|
1st
|
−0.03 ± 0.21
|
0.11
|
0.30
|
–
|
0.766 (0.682 to 0.835)
|
|
2nd
|
−0.04 ± 0.22
|
0.10
|
0.27
|
–
|
0.832 (0.767 to 0.883)
|
|
Nasal 2 mm
|
1st
|
42.23 ± 1.40
|
0.16
|
0.43
|
0.37
|
0.988 (0.982 to 0.992)
|
|
2nd
|
42.25 ± 1.40
|
0.16
|
0.43
|
0.37
|
0.988 (0.982 to 0.992)
|
|
Superior 2 mm
|
1st
|
43.84 ± 1.63
|
0.25
|
0.69
|
0.57
|
0.977 (0.967 to 0.984)
|
|
2nd
|
43.86 ± 1.66
|
0.23
|
0.63
|
0.52
|
0.982 (0.973 to 0.988)
|
|
Temporal 2 mm
|
1st
|
42.73 ± 1.37
|
0.19
|
0.52
|
0.44
|
0.981 (0.973 to 0.987)
|
|
2nd
|
42.74 ± 1.37
|
0.18
|
0.50
|
0.42
|
0.983 (0.975 to 0.988)
|
|
Inferior 2 mm
|
1st
|
43.79 ± 1.71
|
0.25
|
0.69
|
0.57
|
0.979 (0.970 to 0.986)
|
|
2nd
|
43.77 ± 1.68
|
0.22
|
0.60
|
0.50
|
0.983 (0.976 to 0.989)
|
|
Nasal 5 mm
|
1st
|
41.94 ± 1.40
|
0.12
|
0.32
|
0.28
|
0.993 (0.990 to 0.995)
|
|
2nd
|
41.96 ± 1.41
|
0.11
|
0.31
|
0.27
|
0.994 (0.991 to 0.996)
|
|
Superior 5 mm
|
1st
|
43.50 ± 1.58
|
0.35
|
0.98
|
0.81
|
0.952 (0.931 to 0.967)
|
|
2nd
|
43.51 ± 1.61
|
0.23
|
0.63
|
0.53
|
0.980 (0.971 to 0.987)
|
|
Temporal 5 mm
|
1st
|
42.48 ± 1.33
|
0.11
|
0.29
|
0.25
|
0.994 (0.991 to 0.996)
|
|
2nd
|
42.48 ± 1.34
|
0.10
|
0.29
|
0.24
|
0.994 (0.991 to 0.996)
|
|
Inferior 5 mm
|
1st
|
43.62 ± 1.56
|
0.17
|
0.46
|
0.38
|
0.989 (0.983 to 0.992)
|
|
2nd
|
43.60 ± 1.54
|
0.14
|
0.38
|
0.32
|
0.992 (0.988 to 0.995)
|
- Keratometric data are in units of diopter (D); SD = standard deviation, Sw = within-subject standard deviation, TRT = test-retest repeatability (2.77 Sw), CoV = within-subject coefficient of variation, ICC = intraclass correlation coefficient
