TABLE 4.

Correlations between IL‐23, IL‐17A, sIL‐23R, and sIL‐17RA levels with periodontitis clinical parameters

		IL−23	IL−17A	sIL−23R	sIL−17RA	PD	CAL	% BoP	% RBL	ESR	CRP	FR	TJC	SJC	DAS28‐ESR	HAQ‐DI
IL−23	r	1.000	0.256*	−0.166	0.282*	−0.272*	−0.164	−0.032	−0.177	0.155	0.208	0.179	−0.142	0.148	−0.089	−0.134
	p		0.013	0.081	0.002	0.004	0.089	0.762	0.199	0.149	0.262	0.361	0.331	0.310	0.538	0.370
IL−17A	r		1.000	−0.126	0.392*	−0.175	−0.226*	−0.070	−0.012	0.004	0.033	−0.016	−0.046	−0.005	−0.125	−0.276
	p			0.195	≤0.001	0.077	0.023	0.497	0.934	0.973	0.866	0.936	0.748	0.974	0.379	0.055
sIL−23R	r			1.000	0.275*	0.219*	0.072	−0.289*	−0.019	−0.292*	−0.010	0.271	−0.166	−0.005	−0.132	−0.047
	p				≤0.001	0.014	0.433	0.003	0.888	0.003	0.954	0.148	0.222	0.970	0.327	0.739
sIL−17RA	r				1.000	0.149	0.029	−0.151	−0.030	−0.097	0.126	−0.096	−0.042	−0.009	−0.052	0.015
	p					0.094	0.752	0.120	0.825	0.327	0.476	0.608	0.758	0.950	0.702	0.918
PD	r					1.000	.819**	0.321*	0.223	−0.205*	−0.072	−0.088	0.210	0.174	0.147	−0.050
	p						≤0.001	0.001	0.096	0.042	0.687	0.638	0.121	0.200	0.274	0.723
CAL	r						1.000	0.327*	0.136	−0.112	−0.252	−0.055	0.109	0.272*	0.080	−0.082
	p							≤0.001	0.312	0.279	0.150	0.767	0.423	0.043	0.556	0.561
% BoP	r							1.000	0.135	0.132	−0.312	−0.107	−0.033	−0.125	−0.059	−0.169
	p								0.315	0.189	0.072	0.567	0.812	0.358	0.662	0.230
% RBL	r								1.000	−0.095	−0.021	−0.038	0.130	0.180	0.088	−0.003
	p									0.508	0.931	0.881	0.455	0.300	0.610	0.987
ESR	r									1.000	0.267	0.010	0.291*	0.115	0.488**	0.186
	p										0.127	0.957	0.028	0.393	≤0.001	0.183
CRP	r										1.000	0.071	0.256	0.470*	0.441*	0.429*
	p											0.710	0.144	0.005	0.009	0.014
FR	r											1.000	−0.034	0.069	−0.085	0.076
	p												0.855	0.712	0.649	0.696
TJC	r												1.000	0.544**	0.852**	0.609**
	p													≤0.001	≤0.001	≤0.001
SJC	r													1.000	0.701**	0.415*
	p														≤0.001	0.002
DAS28‐ESR	r														1.000	0.603**
	p															≤0.001
HAQ‐DI	r															1.000
	p

Spearman correlation test.

Abbreviations: % BoP, bleeding of probing; % RBL, radiographic bone loss; CAL, clinical of attachment level; CRP, C‐reactive protein; DAS28‐ESR, Disease Activity Score; ESR, erythrocyte sedimentation rate; HAQ‐DI, Health Assessment Questionnaire Disability Index; PD, probe depth; RF, rheumatoid factor; SJC, swollen joint count; TJC, tender joint count.

Values in bold are significant.

*p < 0.050 ** p < 0.010.