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Table 1 Characteristic of the patients with GGO

From: Identification of preoperative prediction factors of tumor subtypes for patients with solitary ground-glass opacity pulmonary nodules

Variable

Number (%)

Gender

 Male

117 (29.8)

 Female

276 (70.2)

Age

  ≤ 60

233 (59.3)

  > 60

160 (40.7)

Smoking

 Current/ever

97 (24.7)

 Never

296 (75.3)

Family history of cancer

 Yes

116 (29.5)

 No

277 (70.5)

Tumor marker

 CEA(+)

25 (6.6)

 CA19–9(+)

4 (1.1)

Surgical method

 Lobectomy

349 (88.8)

 Segmentectomy

21 (5.3)

 Wedge resection

23 (5.9)

Pathological type

 AIS/MIA

9/115 (31.6)

 IA

269 (68.4)

Pathological stage

 0

9 (2.3)

 IA

370 (94.1)

 IB

14 (3.6)

 Lymphatic metastasis

0

  1. Abbreviation: CEA carcinoembryonic antigen, CA19–9 carbohydrate antigen 19–9, AIS adenocarcinoma in situ, MIA minimally invasive adenocarcinoma, IA invasive pulmonary adenocarcinoma