Table 5.

Comparison of the relationship between the invasiveness and GGO morphology in pure GGO and part‐solid GGO groups

	Pure GGO (n = 59)			Part‐solid GGO (n = 33)
Parameters	Preinvasive (n = 57)	Invasive (n = 2)	P‐value	Preinvasive (n = 25)	Invasive (n = 8)	P‐value
Margin, n (%)
Smooth	43 (75.4)	1 (50.0)	0.447	9 (36.0)	1 (12.5)	0.382
Spiculated	14 (24.6)	1 (50.0)		16 (64.0)	7 (87.5)
Bubble lucency sign, n (%)
Yes	29 (50.9)	0 (0.0)	0.492	10 (40.0)	2 (25.0)	0.678
No	28 (49.1)	2 (100.0)		15 (60.0)	6 (75.0)
Air bronchogram, n (%)
Yes	48 (84.2)	1 (50.0)	0.313	15 (60.0)	4 (50.0)	0.695
No	9 (15.8)	1 (50.0)		10 (40.0)	4 (50.0)

Preinvasive, AAH + AIS; Invasive, MIA + IA; GGO, ground‐glass opacity.