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Table 1 Patient characteristics

From: Impact of feature selection methods and subgroup factors on prognostic analysis with CT-based radiomics in non-small cell lung cancer patients

Characteristics Total (n = 304)
Age (years: median [range]) 71 [22–93]
Gender  
Male 252 (83%)
Female 52 (17%)
Histological subtype  
Squamous cell carcinoma 135 (44%)
Adenocarcinoma 149 (49%)
Large cell carcinoma 7 (2%)
Not otherwise specified 13 (4%)
T stage  
0 1 (0%)
1 93 (31%)
2 96 (32%)
3 49 (16%)
4 55 (18%)
N stage  
0 110 (36%)
1 37 (12%)
2 103 (34%)
3 47 (15%)
M stage  
0 253 (83%)
1 42 (14%)
Clinical stage  
I 83 (27%)
II 25 (8%)
III 146 (48%)
IV 41 (13%)
Chemotherapy status  
Yes 140 (46%)
No 164 (54%)
Survival time (days: median [range]) 598 [1–3364]
Survival status  
Survival 126 (41%)
Death 178 (59%)