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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