Antibodies against citrullinated proteins in relation to periodontitis with or without rheumatoid arthritis: a cross-sectional study

Table 2 Comparison of the clinical periodontal parameters between groups

Periodontal parameters	RAPd (n = 20)	RA (n = 20)	Pd (n = 20)	HC (n = 20)	p-value
Periodontal parameters	Means ± SD	Means ± SD	Means ± SD	Means ± SD	p-value
VPI (%)	55.24 ± 25.13	36.04 ± 23.17	55.18 ± 26.94	28.47 ± 20.78	**0.001^a
GBI (%)	33.52 ± 23.41	7.29 ± 6.54	40.02 ± 24.45	12.92 ± 15.39	** < 0.001^a
PPD (mm)	3.07 ± 0.72	1.92 ± 0.28	3.62 ± 0.92	1.95 ± 0.32	** < 0.001^a
CAL (mm)	3.77 ± 1.12	0.61 ± 0.10	4.33 ± 1.78	0.63 ± 0.19	** < 0.001^a
PISA (mm²)	772.83 ± 619.45	102.09 ± 96.56	1148.53 ± 782.47	202.80 ± 137.76	** < 0.001^b

RA, Rheumatoid arthritis; Pd, Periodontitis; RAPd group, Subjects with RA and Pd; RA group, Subjects with RA but without Pd; PD group, Subjects without RA but has Pd; HC group, Subjects without both RA and Pd; VPI, Visible plaque index; GBI, Gingival bleeding index; PPD, Probing pocket depth; CAL, Clinical attachment level; PISA, Periodontal inflamed surface area
^aOne-way ANOVA
^bKruskal- Wallis Test
**Statistically significant at p < 0.05

ISSN: 1472-6831