Table 5 Symptom descending eigenvalues and contribution values (top 20).

From: A supported decision-making model for idiopathic pulmonary fibrosis based on feature screening and optimized neural network

NO

Eigenvalue

Corresponding contribution rate (%)

Cumulative contribution rate (%)

NO

Eigenvalue

Corresponding contribution rate (%)

Cumulative contribution rate (%)

1

3.3335

4.38

4.38

11

1.6214

2.13

31.67

2

2.9917

3.93

8.31

12

1.6035

2.11

33.78

3

2.3982

3.15

11.46

13

1.5352

2.02

35.79

4

2.3146

3.04

14.50

14

1.5098

1.98

37.78

5

2.1194

2.78

17.29

15

1.4547

1.91

39.69

6

2.0561

2.70

19.99

16

1.3804

1.81

41.50

7

1.9682

2.59

22.58

17

1.3419

1.76

43.27

8

1.8464

2.43

25.00

18

1.3329

1.75

45.02

9

1.7511

2.30

27.30

19

1.3032

1.71

46.73

10

1.7021

2.24

29.54

20

1.2507

1.64

48.37

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