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Table 2 T-test for biomedical outcomes, periodontal status, knowledge and attitude toward oral health and DM (N = 130)

From: Effectiveness of lifestyle change plus dental care (LCDC) program on improving glycemic and periodontal status in the elderly with type 2 diabetes

Variables Intervention group Control group p-value*
n = 65 n = 65
Mean Standard deviation Mean Standard deviation
HbA1c      
 Baseline 7.39 1.19 7.68 1.48 0.217
 3 months 7.10 1.04 7.77 1.46 0.003
FPG      
 Baseline 143.83 38.78 152.91 51.35 0.258
 3 months 129.57 21.24 158.32 47.28 <0.001
BMI      
 Baseline 25.35 3.57 26.66 4.40 0.064
 3 months 25.57 3.64 26.88 4.11 0.057
Plaque index score      
 Baseline 0.59 0.42 0.63 0.41 0.544
 3 months 0.26 0.31 0.45 0.45 0.006
Gingival index score      
 Baseline 0.64 0.41 0.77 0.48 0.139
 3 months 0.27 0.29 0.48 0.40 0.001
Pocket depth      
 Baseline 2.35 0.55 2.39 0.81 0.719
 3 months 2.04 0.47 2.54 0.88 <0.001
CAL      
 Baseline 3.33 0.86 3.68 1.31 0.079
 3 months 2.96 0.85 3.64 1.37 0.001
BOP      
 Baseline 35.36 25.83 37.32 22.17 0.644
 3 months 17.66 22.18 38.22 33.36 <0.001
Overall knowledge      
 Baseline 7.19 2.36 7.04 2.27 0.705
 3 months 9.48 0.70 7.29 2.23 <0.001
Oral knowledge      
 Baseline 3.68 1.73 3.51 1.60 0.564
 3 months 4.77 0.52 3.63 1.36 <0.001
DM knowledge      
 Baseline 3.53 1.09 3.58 0.97 0.799
 3 months 4.70 0.28 3.66 1.17 <0.001
Overall attitude      
 Baseline 43.75 4.42 41.80 6.57 0.057
 3 months 47.82 3.41 41.44 5.27 <0.001
Oral attitude      
 Baseline 21.54 2.95 20.78 3.15 0.161
 3 months 23.85 1.80 20.58 3.18 <0.001
DM attitude      
 Baseline 22.25 2.32 21.74 2.57 0.239
 3 months 23.92 1.81 20.86 2.62 <0.001
  1. p by t-test.
  2. *Statistical significances of difference: p < 0.05.