Table 2. Correlations between crevicular calprotecin levels and the variables evaluated in the study cohort (n = 40).

Variables	crevicular calprotectin conc.		crevicular calprotectin amount
	r	p-value	r	p-value
Demographic parameters
age	0.03373	0.8363a	0.2539	0.1138a
gender	−0.07515	0.6449b	0.2520	0.1167b
Clinical parameters
Mean BI	0.5503	<0.01b	0.6271	<0.01b
Mean PD	0.5010	<0.01b	0.7246	<0.01b
Mean CAL	0.5350	<0.01b	0.7659	<0.01b
CPT conc. in GCF	—	—	0.7626	<0.01a
CPT amount in GCF	0.7626	<0.01a	—	—

Correlation analysis was performed using ^aPearson's rank correlation analyses or ^bSpearman's rank correlation analyses.

Bold numbers indicate a statistically significant difference (p<0.01).

BI, bleeding index; PD, probing depth; CAL, clinical attachment loss; CPT Conc., calprotectin concentration; CPT amount, the amount of calprotectin; GCF, gingival crevicular fluid.