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Table 2 Multiple comparisons of surveilled patients, ILI and ILI% among different stages between two sentinel hospitals based on Least Significant Difference method

From: Detecting influenza and emerging avian influenza virus by influenza and pneumonia surveillance systems in a large city in China, 2005 to 2016

Dependent variables

Stages (I)

Stages (J)

Mean difference (I-J)

P

Surveilled patients

Stage 1

Stage 2

548.7(a)

0.006

 

Stage 3

−83.6

0.667

 

Stage 4

− 2856.6(a)

<  0.001

 

Stage 5

− 3583.7(a)

<  0.001

Stage 2

Stage 1

− 548.7(a)

0.006

 

Stage 3

− 632.3(a)

<  0.001

 

Stage 4

− 3405.3(a)

<  0.001

 

Stage 5

− 4132.4(a)

<  0.001

Stage 3

Stage 1

83.66

0.667

 

Stage 2

632.3(a)

<  0.001

 

Stage 4

− 2773.0(a)

<  0.001

 

Stage 5

− 3500.1(a)

<  0.001

Stage 4

Stage 1

2856.6(a)

<  0.001

 

Stage 2

3405.3(a)

<  0.001

 

Stage 3

2773.0(a)

<  0.001

 

Stage 5

− 727.1(a)

<  0.001

Stage 5

Stage 1

3583.7(a)

<  0.001

 

Stage 2

4132.4(a)

<  0.001

 

Stage 3

3500.1(a)

<  0.001

 

Stage 4

727.1(a)

<  0.001

ILI

Stage 1

Stage 2

−19.0

0.557

 

Stage 3

−38.2

0.222

 

Stage 4

−126.4(a)

<  0.001

 

Stage 5

− 334.6(a)

<  0.001

Stage 2

Stage 1

19.0

0.557

 

Stage 3

−19.3

0.156

 

Stage 4

− 107.4(a)

<  0.001

 

Stage 5

− 315.7(a)

<  0.001

Stage 3

Stage 1

38.2

0.222

 

Stage 2

19.3

0.156

 

Stage 4

−88.1(a)

<  0.001

 

Stage 5

− 296.4(a)

<  0.001

Stage 4

Stage 1

126.4(a)

<  0.001

 

Stage 2

107.4(a)

<  0.001

 

Stage 3

88.1(a)

<  0.001

 

Stage 5

−208.3(a)

<  0.001

Stage 5

Stage 1

334.6(a)

<  0.001

 

Stage 2

315.7(a)

<  0.001

 

Stage 3

296.4(a)

<  0.001

 

Stage 4

208.3(a)

<  0.001

ILI%

Stage 1

Stage 2

−5.3(a)

<  0.001

 

Stage 3

−5.9(a)

<  0.001

 

Stage 4

−6.1(a)

<  0.001

 

Stage 5

−8.4(a)

<  0.001

Stage 2

Stage 1

5.3(a)

<  0.001

 

Stage 3

−0.6(a)

0.029

 

Stage 4

−0.8(a)

0.018

 

Stage 5

−3.1(a)

<  0.001

Stage 3

Stage 1

5.9(a)

<  0.001

 

Stage 2

0.6(a)

0.029

 

Stage 4

−0.2

0.452

 

Stage 5

−2.5(a)

<  0.001

Stage 4

Stage 1

6.1(a)

<  0.001

 

Stage 2

0.8(a)

0.018

 

Stage 3

0.2

0.452

 

Stage 5

−2.3(a)

<  0.001

Stage 5

Stage 1

8.4(a)

<  0.001

 

Stage 2

3.1(a)

<  0.001

 

Stage 3

2.5(a)

<  0.001

 

Stage 4

2.3(a)

<  0.001

  1. a The mean difference is significant at the 0.05 level. ILI, influenza-like illness
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BMC Infectious Diseases

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