|
Parameter
|
Observer
|
Mean ± SD
|
Sw
|
TRT
|
CoV (%)
|
ICC (95% CI)
|
|---|
|
Km
|
1st
|
43.34 ± 1.43
|
0.10
|
0.28
|
0.23
|
0.995 (0.993 to 0.997)
|
|
2nd
|
43.34 ± 1.43
|
0.11
|
0.30
|
0.25
|
0.994 (0.992 to 0.996)
|
|
J0
|
1st
|
−0.70 ± 0.43
|
0.11
|
0.32
|
–
|
0.933 (0.904 to 0.954)
|
|
2nd
|
−0.73 ± 0.46
|
0.13
|
0.35
|
–
|
0.930 (0.900 to 0.952)
|
|
J45
|
1st
|
0.00 ± 0.21
|
0.12
|
0.34
|
–
|
0.724 (0.630 to 0.804)
|
|
2nd
|
0.01 ± 0.23
|
0.14
|
0.37
|
–
|
0.715 (0.618 to 0.797)
|
|
Nasal 2 mm
|
1st
|
42.57 ± 1.36
|
0.23
|
0.64
|
0.55
|
0.971 (0.958 to 0.981)
|
|
2nd
|
42.54 ± 1.38
|
0.25
|
0.68
|
0.58
|
0.969 (0.955 to 0.979)
|
|
Superior 2 mm
|
1st
|
44.15 ± 1.62
|
0.26
|
0.72
|
0.59
|
0.975 (0.964 to 0.983)
|
|
2nd
|
44.20 ± 1.65
|
0.36
|
1.00
|
0.82
|
0.953 (0.933 to 0.969)
|
|
Temporal 2 mm
|
1st
|
42.73 ± 1.37
|
0.25
|
0.70
|
0.59
|
0.967 (0.953 to 0.978)
|
|
2nd
|
42.72 ± 1.38
|
0.24
|
0.68
|
0.57
|
0.969 (0.956 to 0.979)
|
|
Inferior 2 mm
|
1st
|
43.94 ± 1.62
|
0.31
|
0.85
|
0.70
|
0.965 (0.949 to 0.976)
|
|
2nd
|
43.97 ± 1.65
|
0.25
|
0.70
|
0.58
|
0.977 (0.966 to 0.984)
|
|
Nasal 5 mm
|
1st
|
41.92 ± 1.38
|
0.25
|
0.69
|
0.59
|
0.968 (0.954 to 0.979)
|
|
2nd
|
41.91 ± 1.39
|
0.29
|
0.80
|
0.69
|
0.958 (0.940 to 0.972)
|
|
Superior 5 mm
|
1st
|
43.49 ± 1.71
|
0.48
|
1.32
|
1.10
|
0.926 (0.894 to 0.949)
|
|
2nd
|
43.51 ± 1.65
|
0.43
|
1.18
|
0.98
|
0.936 (0.909 to 0.957)
|
|
Temporal 5 mm
|
1st
|
42.48 ± 1.40
|
0.30
|
0.83
|
0.70
|
0.956 (0.937 to 0.970)
|
|
2nd
|
42.47 ± 1.35
|
0.24
|
0.67
|
0.57
|
0.969 (0.955 to 0.979)
|
|
Inferior 5 mm
|
1st
|
43.47 ± 1.58
|
0.36
|
1.00
|
0.83
|
0.950 (0.928 to 0.966)
|
|
2nd
|
43.49 ± 1.60
|
0.36
|
1.00
|
0.83
|
0.951 (0.929 to 0.967)
|
- 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
