Demographic and clinical variables.

Data are given as Mean ± SD or number of subjects, or median (lower-upper quartile). Between-group comparisons were performed using the at-test, bchi-square test, or cMann-Whitney U-test. Values in bold indicate a statistically significant difference (p<0.01). AgP, generalized aggressive periodontitis; BI, bleeding index; PD, probing depth; CAL, clinical attachment loss; CPT Conc., calprotectin concentration; CPT amount, the amount of calprotectin; GCF, gingival crevicular fluid. Demographic and clinical variables.