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Table 5 Correlation (r) values between clinical parameters at baseline

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 0.878*        
BOP 0.771* 0.608*       
HbA1c −0.152 −0.325 0.138      
Urinary NAG 0.464 0.501 0.389 −0.24     
Urinary albumin 0.643 0.690* 0.631 −0.109 0.726*    
GGT −0.024 0.021 −0.192 −0.376 0.148 0.176   
TNF-α 0.379 0.393 0.021 −0.210 0.359 −0.052 0.243  
hs-CRP 0.181 0.206 0.255 −0.010 0.663* 0.827* 0.174 −0.001
  1. *Significant at P ≤ 0.05