1.

两组患者的临床特点

Clinical characteristics of the two groups

Clinical characteristics	Four-hook needle group (n=76)	Memory alloy coil group (n=76)	P
GGN: ground-glass nodule.
Gender			0.599
Male	25 (31.4%)	22 (28.9%)
Female	51 (68.6%)	54 (71.1%)
Age (Mean±SD, yr)	54.55±11.79	58.03±12.75	0.083
Density of nodules			0.261
Pure-solid GGN	30 (39.5%)	40 (52.6%)
Partly-solid GGN	31 (40.8%)	25 (32.9%)
Solid nodule	15 (19.7%)	11 (31.4%)
Diameter of nodules (Mean±SD, mm)	10.44±4.49	10.00±3.33	0.912
Distance from nodule to pleura (Mean±SD, mm)	8.13±7.75	9.34±8.69	0.503
Distance from nodule to pleura			0.243
Distance from nodule to pleura ≥1.5 cm	14 (18.4%)	20 (26.3%)
Distance from nodule to pleura < 1.5 cm	62 (81.6%)	56 (73.7%)
Nodules location			0.535
Right upper lobe	25 (32.9%)	17 (22.4%)
Right middle lobe	3 (3.9%)	4 (5.3%)
Right low lobe	17 (22.4%)	15 (19.7%)
Left upper lobe	21 (27.6%)	25 (32.9%)
Left low lobe	10 (13.2%)	15 (19.7%)