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Table 2 Comparison of plaque index and gingival bleeding index at baseline, 2 months and 3 months between NSPT and OHI group

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

  NSPT group (n = 15) (% ± SD) OHI group ( n = 17) (% ± SD) p-value
Plaque index    
Baseline 40.06 ± 22.44 32.70 ± 21.08 0.346
2 months 4.65 ± 4.63 12.06 ± 10.01 0.013*
3 months 1.96 ± 5.97 4.88 ± 5.88 0.174
P1 value <0.001* <0.001*  
P2 value <0.001* <0.001*  
P3 value 0.157 <0.001*  
Effect Size1 1.747 1.480  
Effect Size2 1.704 1.577  
Effect Size3 0.386 1.193  
Gingival bleeding index    
Baseline 20.81 ± 21.07 21.56 ± 15.22 0.908
2 months 2.97 ± 3.98 6.40 ± 10.00 0.224
3 months 1.18 ± 1.66 14.85 ± 46.32 0.263
P1 value 0.006* <0.001*  
P2 value 0.003* 0.565  
P3 value 0.092 0.466  
Effect Size1 0.844 2.108  
Effect Size2 0.942 0.143  
Effect Size3 0.467 0.181  
  1. *p < 0.05 ( statistically significant).
  2. p1 - p-value of baseline compared to 2 months.
  3. p2 - p-value of baseline compared to 3 months.
  4. p3 - p-value of 2 months compared to 3 months.
  5. Effect Size1 - effect size of baseline compared to 2 months.
  6. Effect Size2 – effect size of baseline compared to 3 months.
  7. Effect Size3 – effect size of 2 months compared to 3 months.
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BMC Oral Health

ISSN: 1472-6831

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