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Table 6 Correlation (r) values between reductions in clinical parameters

From: Effects of periodontal treatment on the medical status of patients with type 2 diabetes mellitus: a pilot study

  ∆Mean PD ∆PD ≥4 mm ∆BOP ∆HbA1c ∆Urinary NAG ∆Urinary albumin ∆GGT ∆TNF-α
∆PD ≥ 4 mm 0.730*        
∆BOP 0.351 0.289       
∆HbA1c −0.019 −0.064 0.456      
∆Urinary NAG 0.522 0.24 0.224 −0.313     
∆Urinary albumin 0.328 0.178 0.134 −0.142 0.599    
∆GGT −0.508 −0.317 −0.246 −0.506 −0.116 0.108   
∆TNF-α 0.677* 0.621* 0.309 −0.223 0.407 −0.146 −0.012  
∆hs-CRP 0.081 −0.007 −0.054 0.136 0.341 0.403 −0.212 −0.018
  1. *Significant at P ≤ 0.05