Figure 5

(a∼b) Bland-Altman plots showing Inter-observer agreement of measurements of the maximum diameter (a) and attenuation (b) of pGGNs. X axes show mean measurements and Y axes show differences between measurements of two observers. (c∼f) Distribution and multi-group comparisons (to take IAC as control group) of five pGGNs groups in parameters of age (c), maximum diameter (d), maximum attenuation (e), and relative attenuation (f). (Significant level marks: p < 0.05 *p < 0.01 **p < 0.001 ***p < 0.0001****).