. Author manuscript; available in PMC: 2016 Jan 31.

Published in final edited form as: J Periodontol. 2014 Sep 30;86(2):264–272. doi: 10.1902/jop.2014.140354

Table 3.

Spearman rank correlations between measurements taken at the implant and at the control tooth site for each of 13 biomarkers, and the covariates age, brushing frequency, days since professional cleaning, mean probing depth and mean plaque index.

Biomarker	N		Age		Brushing Frequency		Days Since Professional Cleaning		Mean Probing Depth		Mean Plaque Index
			PISF	GCF	PISF	GCF	PISF	GCF	PISF	GCF	PISF	GCF
IL1−α	73	r	0.10	0.03	−0.33	−0.36	0.24	0.10	0.29	0.34	0.28	0.40
IL1−α	73	p	0.40	0.78	<0.01^*	<0.01^*	<0.05^*	0.38	<0.05^*	<0.01^*	<0.05^*	<0.01^**
IL1−β	73	r	0.13	0.12	−0.30	−0.32	0.33	0.15	0.39	0.38	0.22	0.34
IL1−β	73	p	0.27	0.33	<0.01^*	<0.05^*	<0.05^*	0.19	<0.01^**	<0.01^*	0.06	<0.01^*
IL−4	73	r	0.14	0.07	−0.17	−0.15	0.20	0.19	0.16	0.24	0.13	0.27
IL−4	73	p	0.23	0.56	0.14	0.20	0.09	0.12	0.17	<0.05^*	0.26	<0.05^*
IL−6	73	r	0.18	−0.10	0.05	−0.04	0.09	0.13	0.29	0.18	0.08	0.07
IL−6	73	p	0.13	0.39	0.68	0.74	0.44	0.28	<0.05^*	0.12	0.52	0.55
IL−8	73	r	−0.07	−0.21	−0.22	−0.20	0.11	−0.04	0.40	0.08	−0.03	0.04
IL−8	73	p	0.55	0.07	0.06	0.09	0.35	0.71	<0.01^**	0.49	0.81	0.73
IL−10	73	r	0.24	0.09	−0.20	−0.11	0.32	0.31	0.30	0.23	0.15	0.25
IL−10	73	p	<0.05^*	0.44	0.08	0.34	<0.01^*	<0.01^*	<0.01^*	0.05	0.19	<0.05^*
IL−12	73	r	0.30	0.32	−0.28	−0.19	0.16	0.23	0.23	0.23	0.23	0.47
IL−12	73	p	<0.01^*	<0.01^*	<0.05^*	0.10	0.17	<0.05^*	0.05	<0.05^*	<0.05^*	<0.01^**
IL−17	73	r	0.14	0.10	−0.17	−0.09	0.24	0.29	0.16	0.11	0.17	0.19
IL−17	73	p	0.22	0.40	0.14	0.47	<0.05^*	<0.05^*	0.19	0.37	0.15	0.11
TNF−α	73	r	0.11	0.03	−0.16	−0.15	0.09	0.06	0.33	0.18	0.11	0.23
TNF−α	73	p	0.35	0.78	0.17	0.19	0.47	0.60	<0.01^*	0.13	0.34	0.05
CRP	60	r	0.11	0.02	0.06	−0.04	0.18	0.03	0.18	0.11	0.13	0.01
CRP	60	p	0.42	0.86	0.65	0.76	0.17	0.80	0.16	0.42	0.33	0.92
OPG	57	r	−0.03	−0.01	−0.05	0.06	0.06	0.04	0.29	0.19	−0.07	−0.05
OPG	57	p	0.81	0.96	0.74	0.68	0.66	0.77	<0.05^*	0.16	0.62	0.74
Leptin	57	r	0.16	0.24	−0.09	−0.09	0.00	0.00	0.10	0.05	0.10	0.11
Leptin	57	p	0.23	0.07	0.52	0.51	0.99	0.98	0.48	0.73	0.47	0.43
Adiponectin	39	r	0.11	0.03	−0.16	−0.09	0.20	0.09	0.43	0.08	−0.01	−0.03
Adiponectin	39	p	0.52	0.84	0.33	0.57	0.21	0.59	<0.01^*	0.62	0.94	0.87

Spearman correlation coefficient is denoted by ‘r’ and ‘p’ refers to p−value for that correlation.

p<0.05

^**

Significant after adjusting for multiple comparisons, i.e., unadjusted p−value < 0.0008. The significant correlations are highlighted.