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Table 2 Eigenvalues and cumulative variance of the first ten components in a principal component analysis of 16 variables of the referral process from 57 general practitioners in Norway during spring 2014

From: Typologies in GPs’ referral practice

Initial eigenvalues

Component

Total

% of variance

Cumulative %

1

2.3

14.4

14.4

2

1.9

12.0

26.5

3

1.7

10.9

37.3

4

1.6

10.0

47.3

5

1.4

8.5

55.8

6

1.3

8.3

64.1

7

1.1

7.0

71.1

8

1.0a

6.0

77.1

9

0.9

5.3

82.4

10

0.8

5.1

87.5

  1. a) 0.961