Factors | No. of lesions | Intra-observer agreement | Interobserver agreement | ||
---|---|---|---|---|---|
AIO window | Conventional window | AIO window | Conventional window | ||
Overall | 368 | 0.986 (0.983–0.989) | 0.991 (0.989–0.993) | 0.982 (0.979–0.985) | 0.979 (0.975–0.982) |
Experience level | |||||
Resident | 368 | 0.987 (0.983–0.989) | 0.993 (0.991–0.994) | 0.984 (0.980–0.987) | 0.971 (0.965–0.976) |
Junior staff member | 368 | 0.982 (0.978–0.986) | 0.991 (0.989–0.993) | 0.983 (0.979–0.986) | 0.980 (0.976–0.984) |
Senior staff member | 368 | 0.991 (0.988–0.992) | 0.991 (0.989–0.993) | 0.981 (0.977–0.985) | 0.984 (0.980–0.987) |
Window setting | |||||
Lung | 134 | 0.980 (0.967–0.985) | 0.991 (0.987–0.993) | 0.975 (0.968–0.981) | 0.982 (0.977–0.986) |
Soft | 234 | 0.987 (0.984–0.990) | 0.991 (0.989–0.993) | 0.983 (0.980–0.986) | 0.977 (0.973–0.982) |
Sharpness | |||||
Well-defined | 197 | 0.989 (0.985–0.992) | 0.992 (0.989–0.994) | 0.986 (0.983–0.989) | 0.985 (0.981–0.988) |
Ill-defined | 171 | 0.983 (0.977–0.988) | 0.991 (0.987–0.993) | 0.978 (0.973–0.983) | 0.974 (0.967–0.979) |
Combinations | |||||
Lung, well-defined | 49 | 0.940 (0.897–0.966) | 0.943 (0.903–0.968) | 0.945 (0.918–0.965) | 0.943 (0.916–0.964) |
Lung, ill-defined | 85 | 0.979 (0.967–0.986) | 0.992 (0.988–0.995) | 0.974 (0.965–0.982) | 0.982 (0.975–0.987) |
Soft, well-defined | 148 | 0.990 (0.985–0.993) | 0.993 (0.990–0.995) | 0.987 (0.983–0.990) | 0.985 (0.982–0.989) |
Soft, ill-defined | 86 | 0.983 (0.974–0.989) | 0.989 (0.982–0.993) | 0.978 (0.970–0.984) | 0.969 (0.958–0.978) |
Size (diameter in mm)a | |||||
< 10 | 103 | 0.720 (0.606–0.804) | 0.781 (0.693–0.845) | 0.649 (0.574–0.723) | 0.658 (0.584–0.730) |
10–19 | 159 | 0.828 (0.772–0.871) | 0.881 (0.842–0.912) | 0.755 (0.706–0.800) | 0.729 (0.678–0.779) |
≥ 20 | 106 | 0.980 (0.970–0.986) | 0.987 (0.981–0.991) | 0.975 (0.967–0.982) | 0.967 (0.957–0.976) |