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Table 2 Changes of the HbA1c level from baseline over all follow-ups among groups, between group differences, and interaction between group and time

From: Patient-centered communication and shared decision making to reduce HbA1c levels of patients with poorly controlled type 2 diabetes mellitus - results of the cluster-randomized controlled DEBATE trial

 

Intervention group

Control group

Between group differences

Interaction between

Change from baseline

Change from baseline

Intervention group - Control group

group and time

 

N

Mean

SD

Adjusted Mean

95% CI

p-Value

N

Mean

SD

Adjusted Mean

95% CI

p-Value

Adjusted Mean

95% CI

p-Value

p Value

HbA1c

                  

0.1538

Baseline

435

8.99

1.3

    

398

8.89

1.2

         

6 months follow up

404

8.48

1.4

−0.53

−0.66

− 0.41

<.0001

366

8.39

1.4

− 0.51

− 0.64

− 0.38

<.0001

− 0.02

− 0.19

0.14

0.7985

 

12 months follow up

376

8.32

1.4

−0.58

− 0.70

− 0.45

<.0001

339

8.40

1.4

−0.55

−0.69

− 0.42

<.0001

 

18 months follow up

353

8.27

1.4

−0.64

−0.77

−0.51

<.0001

319

8.30

1.4

−0.62

−0.75

− 0.48

<.0001

 

24 months follow up

338

8.21

1.4

−0.67

−0.80

−0.54

<.0001

305

8.34

1.4

−0.64

−0.78

− 0.51

<.0001