Interinvestigator agreement by cardiovascular risk factors
Hypertensives | Normotensives | |||||||
ICC | Difference | ICC | Difference | |||||
95% CI | Absolute mean difference | Bland-Altman limits of agreement | 95% CI | Absolute mean difference | Bland-Altman limits of agreement | |||
Per patient | 0.985 | 0.974 to 0.992 | 0.013 | −0.036 to 0.043 | 0.991 | 0.971 to 0.997 | 0.008 | −0.025 to 0.020 |
Per-segment | 0.976 | 0.971 to 0.980 | 0.021 | −0.076 to 0.081 | 0.935 | 0.908 to 0.954 | 0.019 | −0.082 to 0.077 |
Per-segment (proximal) | 0.981 | 0.974 to 0.985 | 0.01 | −0.042 to 0.039 | 0.902 | 0.835 to 0.942 | 0.012 | −0.071 to 0.066 |
Per-segment (distal) | 0.965 | 0.956 to 0.972 | 0.027 | −0.094 to 0.098 | 0.928 | 0.893 to 0.955 | 0.017 | −0.053 to 0.047 |
Diabetics | Non-diabetics | |||||||
Per patient | 0.985 | 0.971 to 0.992 | 0.013 | −0.036 to 0.042 | 0.990 | 0.974 to 0.996 | 0.01 | −0.032 to 0.030 |
Per-segment | 0.968 | 0.961 to 0.974 | 0.022 | −0.082 to 0.087 | 0.982 | 0.976 to 0.987 | 0.017 | −0.065 to 0.063 |
Per-segment (proximal) | 0.970 | 0.960 to 0.978 | 0.011 | −0.052 to 0.052 | 0.973 | 0.958 to 0.983 | 0.009 | −0.042 to 0.030 |
Per-segment (distal) | 0.958 | 0.946 to 0.967 | 0.024 | −0.069 to 0.079 | 0.969 | 0.956 to 0.979 | 0.028 | −0.118 to 0.104 |
Dyslipidaemics | Non-dyslipidaemics | |||||||
Per patient | 0.986 | 0.975 to 0.992 | 0.013 | −0.037 to 0.041 | 0.959 | 0.809 to 0.992 | 0.006 | −0.017 to 0.015 |
Per-segment | 0.974 | 0.968 to 0.978 | 0.022 | −0.079 to 0.083 | 0.840 | 0.755 to 0.898 | 0.012 | −0.061 to 0.059 |
Per-segment (proximal) | 0.970 | 0.961 to 0.977 | 0.012 | −0.054 to 0.049 | 0.964 | 0.928 to 0.982 | 0.004 | −0.014 to 0.018 |
Per-segment (distal) | 0.963 | 0.954 to 0.970 | 0.027 | −0.091 to 0.095 | 0.787 | 0.668 to 0.880 | 0.013 | −0.041 to 0.035 |
ICC, intraclass correlation coefficient.