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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