Rheumatoid Arthritis Saudi Database (RASD): Disease Characteristics and Remission Rates in a Tertiary Care Center

Figures & data

Table 1 Baseline Demographics and Characteristics for 433 Rheumatoid Arthritis Patients

		N (%)
Gender	Male	109 (25.2)
	Female	324 (74.8)
Comorbidities	Osteoporosis	117 (27.1)
	Thyroid dysfunction	109 (25.3)
	Dyslipidemia	98 (22.7)
	Hypertension	91(21.7)
	Diabetes Mellitus	89 (18.6)
	Asthma	61(14)
	Allergy	22 (5)
	Cancer	3 (0.6)
Smoking	Yes	149 (34.4)
	No	284 (65.5)
Serology	RF	246 (56.8)
	ACPA	265 (61.2)
	RF and ACPA	201 (46.4)
	ANA	163 (37.5)
HAQ (Lower score = Less disability)	0 to 0.5 (less disabled)	204 (47.1)
	0.5 to 1 (Moderate)	126 (29.1)
	>1 (more disabled)	103 (23.8)

Abbreviations: ACPA, anti-cyclic citrullinated peptide antibody; ANA, antinuclear antibodies; HAQ, Health Assessment Questionnaire; RF, rheumatoid factor.

Table 2 Descriptive Statistics for Lag 1 and Lag 2 Continues Variables

	N	Minimum	Maximum	Mean	Standard Deviation
Lag 1	433	2.00	60.00	4.7296	5.39700
Lag 2	433	3.00	120.00	8.9720	12.63263
Total (Lag)	433	2.00	183.00	13.5751	14.12427
RA Duration (yr)	433	0.1	20	6.56	5.519
Age (yr)	433	18	83	49.26	11.030

Abbreviations: Lag 1, lag period from symptom onset to the first encounter with a health care provider; Lag 2, the time from the initial consult to the final diagnosis; RA, rheumatoid arthritis.

Figure 1 (A) Shows a pie chart representing the percentage of patients who received Anti-TNF bDMARDs, Non-Anti-TNF DMARDs and those who received only csDMARDs. (B) Provides the percentages of each agent used among both anti-TNF bDMARDs and non-anti-TNF DMARDs.

Abbreviations: Anti-TNF bDMARDs, anti-tumor necrosis factor biologic disease-modifying anti-rheumatic drugs; csDMARDs, conventional synthetic disease-modifying anti-rheumatic drugs; Non-Anti-TNF DMARDs, non-anti-tumor necrosis factor disease-modifying anti-rheumatic drugs.

Table 3 Multiple Regression Model (DAS-28 Dependent)

Model	B	t	Sig.
(Constant)	0.770	2.297	0.022
Lag	0.331	2.975	0.037
HAQ	0.235	3.289	0.001
Gender	0.383	3.176	0.002
BMI	0.011	1.444	0.150
Smoking	0.093	0.794	0.428
RA Duration	0.006	0.762	0.447
Comorbidity	0.033	0.368	0.713

Abbreviations: BMI, body mass index; DAS-28, disease activity score 28; HAQ, health assessment questionnaire; Lag, period from symptom onset to the final diagnosis; RA, rheumatoid arthritis.