Table 3. Number of Segments with Lesions of Particular Extents in All Patients.

Lesion Diameter	Number of Segments*
	Initial CT (n = 32)	P1	Worst-State CT (n = 32)	P2	Latest Follow-Up CT (n = 32)
< 1 cm	3.0 (0.3–6.0)	0.320	4.0 (2.0–6.8)	0.016	1.5 (0.0–4.8)
1 to < 3cm	2.0 (1.0–4.0)	0.011	3.5 (2.0–6.0)	0.013	1.5 (0.0–4.8)
3 cm to < 50% of segment	1.0 (0.0–3.8)	0.021	3.5 (2.0–5.0)	0.004	0.0 (0.0–3.0)
50% of segment or more	0.0 (0.0–0.8)	0.162	0.0 (0.0–2.8)	0.029	0.0 (0.0–0.0)

Data are median (interquartile range). ^*Each segment may have several lesions of different extents. P¹: number of positive segments on worst-state CT imaging compared to that on initial CT imaging, P²: number of positive segments on worst-state CT imaging compared to that on latest follow-up CT imaging.