Table 1 Baseline clinical characteristics of patients.

From: Multiparameter MRI-based model integrating radiomics and deep learning for preoperative staging of laryngeal squamous cell carcinoma

Characteristic

Group

p-value

Training set, N = 213

Internal testing set, N = 91

External testing set, N = 97

Age(mean ± SD, years)

62.2 ± 9.1

62.5 ± 8.0

62.2 ± 11.8

0.952

Gender

   

0.361

 Male

201 (94.4%)

89 (97.8%)

94 (96.9%)

 

 Female

12 (5.6%)

2 (2.2%)

3 (3.1%)

 

Smoking

   

0.448

 Yes

189 (88.7%)

84 (92.3%)

84 (86.6%)

 

 No

24 (11.3%)

7 (7.7%)

13 (13.4%)

 

Drinking

   

0.226

 Yes

138 (64.8%)

66 (72.5%)

59 (60.8%)

 

 No

75 (35.2%)

25 (27.5%)

38 (39.2%)

 

Tumor site

   

0.854

 Supraglottis

41 (19.2%)

20 (22.0%)

15 (15.5%)

 

 Glottis

169 (79.3%)

70 (76.9%)

81 (83.5%)

 

 Subglottis

3 (1.4%)

1 (1.1%)

1 (1.0%)

 

Differentiation

   

0.255

 Poor

32 (15.0%)

7 (7.7%)

17 (17.5%)

 

 Moderate

89 (41.8%)

47 (51.6%)

42 (43.3%)

 

 Well

92 (43.2%)

37 (40.7%)

38 (39.2%)

 

Clinic T stage

   

0.733

 T1–T2

98 (46.0%)

41 (45.1%)

40 (41.2%)

 

 T3–T4

115 (54.0%)

50 (54.9%)

57 (58.8%)

 

Clinic N stage

   

0.910

 N0

186 (87.3%)

79 (86.8%)

82 (84.5%)

 

 N1

8 (3.8%)

4 (4.4%)

3 (3.1%)

 

 N2

13 (6.1%)

6 (6.6%)

10 (10.3%)

 

 N3

6 (2.8%)

2 (2.2%)

2 (2.1%)

 

Clinic TNM stage

   

0.630

 I

47 (22.1%)

15 (16.5%)

18 (18.6%)

 

 II

43 (20.2%)

23 (25.3%)

17 (17.5%)

 

 III

89 (41.8%)

38 (41.8%)

40 (41.2%)

 

 IV

34 (16.0%)

15 (16.5%)

22 (22.7%)

 

Pathological TNM stage

   

0.399

 I–II

115 (54.0%)

44 (48.4%)

45 (46.4%)

 

 III–IV

98 (46.0%)

47 (51.6%)

52 (53.6%)

 
  1. p value < 0.05 is considered as a significant difference.
  2. SD, standard deviation; TNM, tumor-node-metastasis.
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