Impact of socio-demographic and clinical characteristics on functional disability and health-related quality of life in patients with rheumatoid arthritis: a cross-sectional study from Palestine

Table 2 Clinical characteristics of the study patients

Variable	Mean ± SD Median (lower–upper quartile) Or N (%) Total = 300
Age of RA onset (years)	40.61 ± 13.44 (10–77)
RA duration (years)	6 (4–12)
Diagnosis delay
Delay	192 (64)
No delay	108 (36)
Delay diagnosis (months)^a	12 (4–12)
Morning stiffness
Stiffness	196 (65.3)
No stiffness	104 (34.7)
Morning stiffness (minutes)	15 (10–30)
Night pain
Pain	196 (65.3)
No pain	104 (34.7)
Number of awakenings	2 (2–3)
Comorbid diseases
Yes	172 (57.3)
No	128 (42.7)
Number of comorbid diseases	2 (1–2)
Number of comorbid diseases
1	75 (25)
2	55 (18.3)
3	24 (8)
4	12 (4)
5	6 (2)

ISSN: 1477-7525