Table II.

Characteristics of the patients and lesions

Characteristics	Group A	Group B	P-value
Number of patients	40	126
Number of lesions	85	126
Age [years]:
Mean	55.0 ±9.8	51.1 ±13.3	0.089
Range	35–78	20–83
Sex (men/women)	12/28	56/70	0.106
Type of lesion (pGGO/mGGO/solid)	67/13/5	88/28/10	0.348
Maximum lesion diameter [mm]:
Mean	9.7 ±3.0	9.8 ±3.2	0.9
Range	1.4–20.6	1.1–21.4
Distance from the pleura [mm]	12.0 ±8.8	13.0 ±10.9	0.6
Location (upper or middle lobe/lower lobe)	51/34	86/40	0.218
Hospital stay [days]	8.0 ±2.7	8.1 ±3.0	0.823

pGGO – pure ground-glass opacity, mGGO – mixed ground-glass opacity.