Table 3.

Results of multiple factor ANOVA analysis of the level of IL-8 in the GCF

Variables		Beta	95% CI	P value
Group				0.001
	ESRD	1.17	0.49–1.84
	HCa
Diabetes				0.486
	Yes	0.27	− 0.5–1.04
	Noa
Hypertension				0.071
	Yes	− 0.61	− 1.28–0.05
	Noa

R² = 0.130

GCF, gingival crevicular fluid; IL-8, interleukin-8; ESRD, end-stage renal disease; HC, healthy controls; CI, confidence interval

^aReference group