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Table 5 Changes in mean HbA1c and CRP for subjects with good response to periodontal treatment in OHI and NSPT groups

From: Effect of nonsurgical periodontal therapy verses oral hygiene instructions on Type 2 diabetes subjects with chronic periodontitis: a randomised clinical trial

Reduction of periodontal parameters after treatment

Baseline

3 months

p-value

Effect size (ES)

 

HbA1c

hs-CRP

HbA1c

hs-CRP

p1

p2

ES1

ES2

 

(mean ± SD mmol/mol ± SD)

(mean ± SD)

(mean ± SDmmol/mol ± SD)

(mean ± SD)

    

Subjects with a 50% reduction in plaque index scores (n = 7)

8.2 ± 1.1 66 ± 9

5.3 ± 3.6

7.1 ± 1.6 57 ± 12

4.9 ± 3.6

0.065

0.666

0.853

0.171

Subjects with a 50% reduction in gingival bleeding scores (n = 2)

9.0 ± 0.3 75 ± 2

10.0 ± 0.4

7.7 ± 0.4 60 ± 3

8.1 ± 0.9

0.205

0.289

2.121

1.452

Subjects with a 50% reduction in mean PPD (n = 16)

7.7 ± 1.4 60 ± 11

9.6 ± 14.6

6.8 ± 0.8 51 ± 6

8.2 ± 12.9

0.004

0.012

0.859

0.710

  1. p1 - p value of HbA1c between baseline and 3 months.
  2. p2 - p values of hs-CRP between baseline and 3 months.
  3. ES1 - effect size of HbA1c from baseline to 3 months.
  4. ES2 - effect size of hs-CRP from baseline to 3 months.