Table 4 Distribution and laterality of the lesions on low-dose and ultra-low-dose chest CT scans among 167 patients
Ultra-low-dose chest CT | Low-dose chest CT | Kappa (P value) | |||
|---|---|---|---|---|---|
Distribution | None | Peripheral | Central | Both | |
None | 113 (67.7) | 1 (0.6) | 0 | 1 (0.6) | 0.86 (< 0.001) |
Peripheral | 4 (2.4) | 17 (10.2) | 0 | 4 (2.4) | |
Central | 0 | 0 | 3 (1.8) | 1 (0.6) | |
Both | 0 | 0 | 0 | 23 (100) | |
Laterality | None | Left-sided | Right-sided | Bilateral | |
None | 109 (65.3) | 2 (1.2) | 1 (0.6%) | 0 | 0.90 (< 0.001) |
Left-sided | 1 (0.6) | 16 (9.6) | 0 | 0 | |
Right-sided | 1 (0.6) | 0 | 4 (2.4) | 1 (0.6) | |
Bilateral | 2 (1.2) | 0 | 0 | 30 (18.0) | |