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Table 2 Degree of knowledge about the correlation between diabetes mellitus and periodontitis

From: Level of information about the relationship between diabetes mellitus and periodontitis - results from a nationwide diabetes information program

  Did you know that periodontitis and diabetes negatively affect each other? Did you know that diabetics are more often affected by periodontitis than nondiabetics? Total
Yes No Yes No
ND 42 (37.8%) 69 (62.2%) 37 (33.3%) 74 (66.7%) 111
T1D 65 (64.4%) 36 (35.6%) 64 (63.4%) 37 (36.6%) 101
T2D 90 (38.1%) 146 (61.9%) 79 (33.5%) 157 (66.5%) 236
Total 197 (44.0%) 251 (56.0%) 180 (40.2%) 268 (59.8%) 448
  1. Pearson´s chi-square test: P <0.001. ND nondiabetic, T1D type 1 diabetic, T2D type 2 diabetic.