Seasonal and Weather Effects on Rheumatoid Arthritis: Myth or Reality?

Table 2

Descriptive data of the population.

	n = 117
Age (years)^¶	50.45 ± 12.17
Women^ǂ	101 (86.3%)
Disease duration (years)^¶	10.57 ± 8.49
Sjogren’s syndrome (n = 109)^ǂ	51 (46.8%)
BMI^¶	26.63 ± 8.04
Seasons	Winter n = 116	Spring n = 116	Summer n = 114
TJC^¶	0.82 ± 1.61	1.04 ± 1.99	0.89 ± 2.35
SJC^¶	0.48 ± 1.14	0.72 ± 1.38∗	0.57 ± 1.41
VAS^¶	1.36 ± 1.96	1.57 ± 2.06	1.43 ± 2.13
DAS28ESR^¶	2.44 ± 0.95	2.60 ± 0.98	2.57 ± 0.95

^¶Mean ± standard deviation; ^ǂnumber (%). All variables have a median of 0. BMI: body mass index; TJC: tender joint count; SJC: swollen joint count; VAS: patient’s pain assessed by the visual analogue scale.