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Table 3 Uni- and multivariate regression analysis with HbAlc (mmol/mol) as the dependent variable. The regression coefficient corresponds to a one-unit change of the dependent variable

From: Probing depth is an independent risk factor for HbA1c levels in diabetic patients under physical training: a cross-sectional pilot-study

 

Univariate regression

Regression coefficient

95% CI

P-value

Age, y

1.333

 

0.264

Sex

0.806

 

0.695

BMI

1.634

 

0.139

VO2peak, mL/min/kg

1.200

 

0.350

Heart rate, bpm

2.682

 

0.016

Systolic blood pressure, mm Hg

0.403

 

0.982

Diastolic blood pressure, mm Hg

1.467

 

0.982

Serum glucose (fasting), mmol/L

6.194

 

< 0.0001

Serum glucose (2 h) mmol/L

1.412

 

0.223

Total cholesterol, mg/dL

2.339

 

0.031

LDL cholesterol, mmol/L

2.295

 

0.034

HDL cholesterol, mmol/L

0.905

 

0.597

hsCRP, mg/L

6.725

 

< 0.0001

Plaque Index (PI)

1.651

 

0.134

Probing depth, mm

0.888

 

0.614

Bleeding (BOP), %

6.21

 

< 0.0001

Clinical Case Definition, CDC-AAP

No or mild Periodontitis

0.299

 

0.997

Moderate Periodontitis

0.950

 

0.553

Severe Periodontitis

1.367

 

0.245

 

Multivariate regression

Regression

95% CI

P-value

coefficient

  

Serum glucose (fasting), mmol/L

3.666

2.239; 5.093

< 0.0001

Diastolic blood pressure, mm Hg

−0.242

−0.459; −0.025

0.030

Probing depth, mm

6.845

0.480; 13.210

0.036

BMI

0.796

0.330; 1.262

0.001

  1. CI confidence interval