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Table 3 Significant level of pairwise comparison

From: Changing relative risk of clinical factors for hospital-acquired acute kidney injury across age groups: a retrospective cohort study

Age Group

G1 ~ G2

G1 ~ G3

G1 ~ G4

G2 ~ G3

G2 ~ G4

G3 ~ G4

Prevalence (%)

7.29 ~ 8.82

7.29 ~ 10.53

7.29 ~ 10.55

8.82 ~ 10.53

8.82 ~ 10.55

10.53 ~ 10.55

P value (prevalence)

< 0.001

< 0.001

< 0.001

< 0.001

< 0.001

0.97

AUC (LR)

0.759

[0.728–0.789]

~

0.760

[0.750–0.770]

0.759

[0.728–0.789]

~

0.746

[0.731–0.760]

0.759

[0.728–0.789]

~

0.725

[0.713–0.736]

0.760

[0.750–0.770]

~

0.746

[0.731–0.760]

0.760

[0.750–0.770]

~

0.725

[0.713–0.736]

0.746

[0.731–0.760]

~

0.725

[0.713–0.736]

P value (LR)

0.81

0.13

< 0.001

0.022

< 0.001

0.004

AUC (SVM)

0.767

[0.743–0.790]

~

0.766

[0.753–0.780]

0.767

[0.743–0.790]

~

0.742

[0.729–0.756]

0.767

[0.743–0.790]

~

0.723

[0.702–0.744]

0.766

[0.753–0.780]

~

0.742

[0.729–0.756]

0.766

[0.753–0.780]

~

0.723

[0.702–0.744]

0.742

[0.729–0.756]

~

0.723

[0.702–0.744]

P value (SVM)

0.10

0.005

< 0.001

0.12

< 0.001

0.06

AUC (LB)

0.750

[0.728–0.773]

~

0.753

[0.733–0.772]

0.750

[0.728–0.773]

~

0.738

[0.727–0.750]

0.750

[0.728–0.773]

~

0.712

[0.701–0.724]

0.753

[0.733–0.772]

~

0.738

[0.727–0.750]

0.753

[0.733–0.772]

~

0.712

[0.701–0.724]

0.738

[0.727–0.750]

~

0.712

[0.701–0.724]

P value (LB)

0.73

0.33

0.002

0.09

< 0.001

0.009

AUC (RF)

0.784

[0.769–0.800]

~

0.766

[0.754–0.777]

0.784

[0.769–0.800]

~

0.754

[0.741–0.768]

0.784

[0.769–0.800]

~

0.723

[0.709–0.737]

0.766

[0.754–0.777]

~

0.754

[0.741–0.768]

0.766

[0.754–0.777]

~

0.723

[0.709–0.737]

0.754

[0.741–0.768]

~

0.723

[0.709–0.737]

P value (RF)

0.11

0.006

< 0.001

0.11

< 0.001

0.004

  1. Abbreviation:AUC the area under the receiver operating characteristic curve for top-200 features with under-sampling, LR Logistic Regression, SVM Support Vector Machine, LB LogistBoost, RF Random Forest, G1 18–35 age group; G2 36–55 age group, G3 56–65 age group, G4 > 65 age group. P value in bold represents p < 0.05