[Table/Fig-2]:
Summary of demographic and clinical characteristics of the study participants according to diagnosis category.
| Characteristics | Clinical groups | p-value | ||
|---|---|---|---|---|
| Healthy controls (n = 50) |
Chronic periodontitis (n = 110) |
|||
| Gender* | Male | 23 (14.40) | 33 (20.60) | 0.049¶ |
| Female | 27 (16.90) | 77 (48.10) | ||
| Age (years)† | 33.46±11.57 | 47.09±10.24 | <0.001# | |
| Smoking habit* | Non-smokers | 44 (27.50) | 72 (45.00) | 0.003¶ |
| Smokers | 6 (3.75) | 38 (23.75) | ||
| PD score (mm)†‡ | 2.02±0.26 | 2.84±0.57 | <0.001# | |
| CAL score (mm)†‡ | 0.76±0.69 | 3.08±1.10 | <0.001# | |
| Extent of periodontitis*§ | Localized (≤30%) | -- | 82 (74.50) | |
| Generalized (>30%) | 28 (25.50) | |||
| Severity of periodontitis*|| | Slight (1-2 mm) | -- | 8 (7.27) | |
| Moderate (3-4 mm) | 39 (35.46) | |||
| Severe (≥5 mm) | 63 (57.27) | |||
* Values are given as n (%) of subjects
† Values are given as mean±SD
‡ Data based on measurements obtained from the entire dentition
§ Percentage of periodontal pockets ≥ 4mm deep and attachment loss ≥ 2 mm
|| Data based on average value of CAL of the affected tooth sites
¶ Two-sided Pearson’s chi-square test (χ2)
# Two-sided unpaired t-test