Table 7 Movements between the classes from the first to the second acquisition by reconstruction method
Change from first to second acquisition | Reconstruction method | Total (%) | |
|---|---|---|---|
FBP (%) | OSEM (%) | ||
Improvement by 4 points | 29 (2.5) | 22 (3) | 51 (2.7) |
Improvement by 3 points | 156 (13.4) | 85 (11.6) | 241 (12.7) |
Improvement by 2 points | 226 (19.4) | 165 (22.5) | 391 (20.6) |
Improvement by 1 point | 345 (29.6) | 228 (31.1) | 573 (30.2) |
No change | 340 (29.1) | 170 (23.2) | 510 (26.8) |
Worsening by 1 point | 62 (5.3) | 56 (7.6) | 118 (6.2) |
Worsening by 2 points | 8 (0.7) | 6 (0.8) | 14 (0.7) |
Worsening by 3 points | - | 1 (0.1) | 1 (0.05) |
Worsening by 4 points | - | 1 (0.1) | 1 (0.05) |
Total | 1,166 (100) | 734 (100) | 1,900 (100) |