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Table 1 Demographics

From: Inferring FDG-PET-positivity of lymph node metastases in proven lung cancer from contrast-enhanced CT using radiomics and machine learning

Parameter

 

Number (%)

Total population

 

381 (100.0)

Sex

Male

238 (53.1)

Female

143 (46.9)

Age

< 60 years

102 (26.8)

≥ 60 years

279 (73.2)

NSCLC

Adenocarcinoma

228 (60.0)

Squamous-cell carcinoma

153 (40.0)

Stage

IA

75 (19.8)

IB

47 (12.4)

IIA

27 (7.1)

IIB

27 (7.1)

IIIA

70 (18.5)

IIIB

39 (10.3)

IIIC

2 (0.5)

IVA

79 (20.8)

IVB

13 (3.4)

Lymph node analysis

1,799 (100%)

Lymph nodes

PET-positive

450 (43.0)

PET-negative

1,349 (18.2)

Thoracic lymph node station

1

98 (5.4)

2

250 (13.9)

3

177 (9.8)

4

761 (42.3)

5

207 (11.5)

6

142 (7.9)

7

110 (6.1)

8

10 (0.6)

9

0 (0.0)

10

44 (2.4)

  1. NSCLC Non-small cell lung cancer, PET Positron emission tomography