Table 5 Subjective image quality scores between different reconstruction groups of the low-activity cohort
Groups | Mean scores | Inter-reader agreement | Intra-reader agreement | ||||
|---|---|---|---|---|---|---|---|
Reviewer 1 | Reviewer 2 | ||||||
kappa | 95% CI | kappa | 95% CI | kappa | 95% CI | ||
R1 | 1.51 ± 0.50 | 0.93 | 0.92 ~ 0.94 | 0.94 | 0.90 ~ 0.97 | 0.95 | 0.91 ~ 0.97 |
R2 | 2.44 ± 0.54 | 0.90 | 0.88 ~ 0.92 | 0.98 | 0.97 ~ 0.99 | 0.95 | 0.92 ~ 0.97 |
R3 | 3.44 ± 0.53 | 0.97 | 0.96 ~ 0.98 | 0.95 | 0.91 ~ 0.97 | 0.97 | 0.95 ~ 0.98 |
R4 | 4.44 ± 0.57 | 0.97 | 0.96 ~ 0.98 | 0.97 | 0.95 ~ 0.98 | 1.00 | - |
R5 | 5.00 ± 0.00 | 1.00 | - | 1.00 | - | 1.00 | - |
R8 | 5.00 ± 0.00 | 1.00 | - | 1.00 | - | 1.00 | - |
R10 | 5.00 ± 0.00 | 1.00 | - | 1.00 | - | 1.00 | - |