Table 1.
Variable | Cases (n = 19) | Controls (n = 19) |
---|---|---|
Age (y) | 47.6 ± 8.7 | 46.7 ± 8.2 |
Sex (females/males) | 14 (73.7 %)/5 (26.3 %) | 14 (73.7 %)/5 (26.3 %) |
BMI (kg/m2) | 29.5 ± 5.1 | 29.3 ± 6.0 |
PD (mm) | 2.3 ± 0.4 | 1.3 ± 0.3a |
AL (mm) | 2.6 ± 0.6 | 1.3 ± 0.4a |
Serum 25 (OH) D (ng/ml) | 18.5 ± 4.6 | 24.2 ± 7.1b |
aSignificantly different from cases (p < 0.0001; Student’s t-test)
bSignificantly different from cases (p = 0.006; Student’s t-test)
BMI Body mass index, PD probing depth, AL attachment level