Background
Methods
Study setting and Ethics
Study population
Study enrolment and randomization
Periodontal parameters
Monitoring procedures-data collection
Interventions
Supportive periodontal treatment
Plasma levels of oxidative status assessment
Statistical analysis
Sample size calculation
Results
Group Test (A) | Group Control (B) |
p
| |
---|---|---|---|
n
| 90 | 90 | |
M (SD) | M (SD) | ||
Age (years)
| 53.8 ± 10.8 | 61.9 ± 16.5 | 0.421 |
Duration of Diabetes (years)
| 7.3 ± 4.8 | 8.1 ± 5.9 | 0.467 |
BMI (kg/m
2
)
| 24.3 ± 3.8 | 25.5 ± 4.7 | 0.037* |
Systolic BP (mmHg)
| 139 ± 32 | 143 ± 21 | 0.076 |
Diastolic BP (mmHg)
| 94 ± 10 | 94 ± 12 | 0.856 |
FPG (mmol/l)
| 10.7 ± 4.8 | 9.3 ± 5.2 | 0.458 |
HbA1c (%) | 8.7 ± 1.6 | 7.86 ± 1.3 | 0.085 |
Fasting insulin (µU/ml)*
| 11.25×/÷2.27 | 11.70×/÷2.34 | 0.566 |
TC (mmol/l)
| 5.6 ± 1.1 | 5.8 ± 1.4 | 0.159 |
TG (mmol/l)
| 1.49×/÷1.95 | 1.52×/÷1.88 | 0.957 |
LDL-C (mmol/l)
| 3.6 ± 1.0 | 3.6 ± 1.1 | 0.456 |
HDL-C (mmol/l)
| 1.19 ± 0.31 | 1.34 ± 0.34 | < 0.001* |
BOP (%)
| 59.61 ± 0.75 | 62.76 ± 0.16 | < 0.001* |
PPD (mm)
| 5.8 ± 0.56 | 5.98 ± 0.56 | < 0.001* |
CAL (mm)
| 5.49 ± 0.89 | 6.32 ± 0.21 | < 0.001* |
Smoker (yes/no)
| 60.5% | 47.5% | < 0.001* |
Variable | Pillai | F | df | Residual df | p | ηp2 |
---|---|---|---|---|---|---|
severity_of_periodontitis
| 0.647 | 2.320 | 15 | 19 | 0.0427 | 0.647 |
treatment
| 0.789 | 4.726 | 15 | 19 | 9.710 × 10− 04 | 0.789 |
age
| 0.559 | 1.608 | 15 | 19 | 0.163 | 0.559 |
smoking_status
| 0.377 | 0.767 | 15 | 19 | 0.695 | 0.377 |
sex
| 0.423 | 0.929 | 15 | 19 | 0.551 | 0.423 |
TOS T0 |
SS
|
df
|
F
|
p
| ηp2 | |
---|---|---|---|---|---|---|
severity_of_periodontitis
| 35.92 | 1 | 0.63 | 0.435 | 0.02 | |
treatment
| 50.06 | 1 | 0.87 | 0.357 | 0.02 | |
age
| 63.96 | 1 | 1.11 | 0.299 | 0.03 | |
smoking_status
| 86.56 | 1 | 1.51 | 0.228 | 0.04 | |
sex
| 21.40 | 1 | 0.37 | 0.546 | 0.01 | |
Residuals
| 1,952.85 | 34 | ||||
TOS T1
| ||||||
severity_of_periodontitis
| 4.29 | 1 | 0.10 | 0.752 | 0.00 | |
treatment
| 182.88 | 1 | 4.31 | 0.045 | 0.11 | |
age
| 51.72 | 1 | 1.22 | 0.277 | 0.03 | |
smoking_status
| 77.82 | 1 | 1.84 | 0.184 | 0.05 | |
sex
| 13.52 | 1 | 0.32 | 0.576 | 0.01 | |
Residuals
| 1,441.81 | 34 | ||||
TOS T2
| ||||||
severity_of_periodontitis
| 0.01 | 1 | 0.00 | 0.985 | 0.00 | |
treatment
| 262.88 | 1 | 8.37 | 0.007 | 0.20 | |
age
| 59.31 | 1 | 1.89 | 0.178 | 0.05 | |
smoking_status
| 51.58 | 1 | 1.64 | 0.209 | 0.05 | |
sex
| 10.84 | 1 | 0.35 | 0.561 | 0.01 | |
Residuals
| 1,067.86 | 34 | ||||
TAOS T0
| ||||||
severity_of_periodontitis
| 0.04 | 1 | 0.60 | 0.445 | 0.02 | |
treatment
| 0.05 | 1 | 0.83 | 0.369 | 0.02 | |
age
| 0.0002 | 1 | 0.00 | 0.959 | 0.00 | |
smoking_status
| 0.04 | 1 | 0.58 | 0.453 | 0.02 | |
sex
| 0.005 | 1 | 0.07 | 0.789 | 0.00 | |
Residuals
| 2.23 | 34 | ||||
TAOS T1
| ||||||
severity_of_periodontitis
| 0.04 | 1 | 0.60 | 0.445 | 0.02 | |
treatment
| 0.05 | 1 | 0.78 | 0.369 | 0.02 | |
age
| 0.0001 | 1 | 0.00 | 0.959 | 0.00 | |
smoking_status
| 0.03 | 1 | 0.58 | 0.453 | 0.02 | |
sex
| 0.005 | 1 | 0.07 | 0.789 | 0.00 | |
Residuals
| 2.17 | 34 | ||||
TAOS T2
| ||||||
severity_of_periodontitis
| 0.02 | 1 | 0.41 | 0.569 | 0.01 | |
treatment
| 0.21 | 1 | 3.39 | 0.068 | 0.01 | |
age
| 0.008 | 1 | 0.02 | 0.912 | 0.00 | |
smoking_status
| 0.02 | 1 | 0.29 | 0.587 | 0.01 | |
sex
| 0.02 | 1 | 0.35 | 0.565 | 0.01 | |
Residuals
| 1.79 | 31 | ||||
GSH T0
| ||||||
severity_of_periodontitis
| 0.013 | 1 | 0.41 | 0.611 | 0.01 | |
treatment
| 0.18 | 1 | 3.78 | 0.092 | 0.01 | |
age
| 0.0019 | 1 | 0.02 | 0.780 | 0.08 | |
smoking_status
| 0.01 | 1 | 0.31 | 0.591 | 0.00 | |
sex
| 0.01 | 1 | 0.28 | 0.545 | 0.01 | |
Residuals
| 0.89 | 37 | ||||
GSH T1
| ||||||
severity_of_periodontitis
| 0.02 | 1 | 0.35 | 0.559 | 0.01 | |
treatment
| 0.17 | 1 | 3.45 | 0.072 | 0.09 | |
age
| 0.0010 | 1 | 0.02 | 0.890 | 0.00 | |
smoking_status
| 0.02 | 1 | 0.33 | 0.571 | 0.01 | |
sex
| 0.02 | 1 | 0.40 | 0.534 | 0.01 | |
Residuals
| 1.69 | 34 | ||||
GSH T2
| ||||||
severity_of_periodontitis
| 0.01 | 1 | 0.35 | 0.559 | 0.01 | |
treatment
| 0.15 | 1 | 2.89 | 0.067 | 0.08 | |
age
| 0.0011 | 1 | 0.03 | 0.875 | 0.01 | |
smoking_status
| 0.02 | 1 | 0.33 | 0.571 | 0.00 | |
sex
| 0.01 | 1 | 0.40 | 0.534 | 0.00 | |
Residuals
| 1.76 | 32 | ||||
MDA T0
| ||||||
severity_of_periodontitis
| 0.02 | 1 | 0.35 | 0.559 | 0.01 | |
treatment
| 0.19 | 1 | 3.69 | 0.081 | 0.087 | |
age
| 0.0012 | 1 | 0.019 | 0.890 | 0.01 | |
smoking_status
| 0.018 | 1 | 0.31 | 0.571 | 0.01 | |
sex
| 0.01 | 1 | 0.38 | 0.534 | 0.01 | |
Residuals
| 1.54 | 34 | ||||
MDA T1
| ||||||
severity_of_periodontitis
| 0.02 | 1 | 0.35 | 0.559 | 0.01 | |
treatment
| 0.17 | 1 | 3.45 | 0.072 | 0.09 | |
age
| 0.0010 | 1 | 0.02 | 0.890 | 0.00 | |
smoking_status
| 0.02 | 1 | 0.33 | 0.571 | 0.01 | |
sex
| 0.02 | 1 | 0.40 | 0.534 | 0.01 | |
Residuals
| 1.69 | 34 | ||||
MDA T2
| ||||||
severity_of_periodontitis
| 0.02 | 1 | 0.35 | 0.559 | 0.01 | |
treatment
| 0.17 | 1 | 3.45 | 0.072 | 0.09 | |
age
| 0.0010 | 1 | 0.02 | 0.890 | 0.00 | |
smoking_status
| 0.02 | 1 | 0.33 | 0.571 | 0.01 | |
sex
| 0.02 | 1 | 0.40 | 0.534 | 0.01 | |
Residuals
| 1.69 | 34 |