Effects of Conventional Synthetic Disease-Modifying Antirheumatic Drugs on Response to Periodontal Treatment in Patients with Rheumatoid Arthritis

Table 1

Comparison of clinical characteristics between the healthy control and RA group.

	Control group	RA group	P
N	32	32
Men/women	8/24	6/26	0.376
Age (years)	62.0 ± 9.0	60.4 ± 10.0	0.515
Number of teeth	26.3 ± 1.8	26.4 ± 1.5	0.709
Smokers	2	2	1.000
Diabetes mellitus	0	1	0.313
No. of sites with PD ≥ 4 mm (%)	9.8 ± 5.1	12.4 ± 11.2	0.371
RA duration (years)		7.3 ± 6.1

Values are expressed as mean ± SD.
RA, rheumatoid arthritis.
Independent t-test and χ² test, respectively, P < 0.05.