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An exploration of diabetic foot screening procedures data by a multiple correspondence analysis

Vilma Urbančič Rovan
Vilma Urbančič Rovan
 e 
Jože Rovan
Jože Rovan
   | 07 nov 2016
Slovenian Journal of Public Health's Cover Image
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Article Category: Original scientific article
Pubblicato online: 07 nov 2016
Pagine: 65 - 73
Ricevuto: 16 feb 2016
Accettato: 16 ago 2016
DOI: https://doi.org/10.1515/sjph-2017-0009
Parole chiave
© 2016 National Institute of Public Health, Slovenia
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1

A two-dimensional map – a display of all categories (extended labels in Appendix 2).
A two-dimensional map – a display of all categories (extended labels in Appendix 2).

Figure 2

A zoom-in display of the upper part of Figure 2.
A zoom-in display of the upper part of Figure 2.

The first two principal coordinates of the matrix Y.

1. principal coordinate2. principal coordinate
SEXF0.0455450.264007
SEXM-0.036950-0.214184
NSY0-0.337288-0.219527
NSY10.4148790.270028
HVA0-0.071098-0.165217
HVA10.3406440.791587
⋮⋮⋮
AMP0-0.011657-0.010940
AMP11.9190021.801034

The matrix of row profiles (source: Table 2).

SEXFSEXMNSY0NSY1⋯AMP0AMP1Total
SEXF4.16670.00002.02122.14554.14580.0209100
SEXM0.00004.16672.52301.64364.13800.0286100
NSY01.64132.52544.16670.00004.15430.0124100
NSY12.14302.02360.00004.16674.12580.0409100
⋮⋮⋮⋮⋮⋮⋮⋮
AMP01.86822.29852.30531.8613⋯4.16670.0000100
AMP11.54762.61901.13103.0357⋯0.00004.1667100
Total1.86632.30042.29821.8684⋯4.14150.0252100

Risk status classification.

CategoryDescription
1Normal sensation, palpable pedal pulses, no foot deformity
2Impaired sensation, no foot deformity
3Absent pedal pulses, normal sensation, no foot deformity
4

Combination: foot deformity and impaired sensation and / or absent foot pulses

Previous ulcer or amputation

Charcot foot

The Burt matrix, the presentation of crosstabulations reduced to the first two variables and the last variable (the complete matrix at (19)).

SEXFSEXMNSY0NSY1⋯AMP0AMP1Total
SEXF5193025192674⋯516726124632
SEXM0640138762525⋯635744153624
NSY02519387663950⋯637619153480
NSY12674252505199⋯514851124776
⋮⋮⋮⋮⋮⋮⋮⋮
AMP05167635763765148⋯115240276576
AMP126441951⋯0701680
Total124632153624153480124776⋯27657616806678144

The adjustment of inertias.

Singular values δiBurt principal inertia λiAdjusted inertia λ~k$\bf {\tilde \lambda _k}$Percentage of adjusted inertiaCumulative percentage of adjusted inertia16 32 48 64 80
10.205830.042370.0293466.7218266.72182**********************
20.119830.014360.0066515.1259281.84773***
30.073240.005360.001092.4680684.31580*
40.063690.004060.000531.2008385.51663
50.049690.002470.000070.1593885.67600
60.047430.002250.000040.0822485.75824
70.043980.001930.000010.0132585.77149
80.041960.001760.000000.0002185.77170
90.041740.043980.001740.000000.0000185.77171
⋮⋮⋮
ϕ¯2${\bar \phi ^2}$ = 0.04398
eISSN:
1854-2476
Lingua:
Inglese
Frequenza di pubblicazione:
4 volte all'anno
Argomenti della rivista:
Medicine, Clinical Medicine, Hygiene and Environmental Medicine
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