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Table 1 Demographic and histopathologic characteristics of study patients

From: Nomograms integrating CT radiomic and deep learning signatures to predict overall survival and progression-free survival in NSCLC patients treated with chemotherapy

Characteristic

Patients, No. (%)

Training cohort

P*

Validation cohort

P*

Sex

 

1.05

 

1.24

 Male

59 (46.8)

 

26 (42.6)

 

 Female

67 (53.2)

 

35 (57.4)

 

Age, median (range), y

55 (32–83)

1.36

50 (37–87)

1.02

Smoking status

 

0.95

 

0.84

 Ever

71 (56.3)

 

33 (54.1)

 

 Never

55 (43.7)

 

28 (45.9)

 

Histopathology

 

0.16

 

0.08

 ADC

108 (85.7)

 

51 (83.6)

 

 SCC

18 (14.3)

 

10 (16.4)

 

Tumor location

 

0.23

 

0.34

 Left

67 (53.2)

 

34 (55.7)

 

 Right

46 (36.5)

 

21 (34.4)

 

 Others

13 (10.3)

 

6 (9.9)

 

TNM stage

 

< 0.001

 

< 0.001

 II

16 (12.7)

 

9 (14.8)

 

 III

78 (61.9)

 

39 (63.9)

 

 IV

32 (25.4)

 

13 (21.3)

 
  1. Adenocarcinoma (ADC), squamous cell carcinoma (SCC).
  2. *P-value: it is calculated by two-sample t-test for the comparison between two groups categorized by high or low risk of S2
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