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. 2018 Mar 8;5:40. doi: 10.3389/fmed.2018.00040

Table 2.

Characteristics of patients and their visits.

Dutch
Portuguese
N Patient N Patient
A. Patients’ characteristics

Patients 5,870 69.5 3,185 82.1
Female (%) 3,923 2,616
Age (years) (mean ± SD) 5,489 62.6 ± 14.7 3,180 61.7 ± 14.2
Disease duration (years) (mean ± SD) 2,278 11.8 ± 8.9 2,305 15.0 ± 10.1
Diagnosis duration (years) (mean ± SD) 2,520 10.4 ± 8.7 2,397 12.8 ± 9.0

B. Visit characteristics p-Value

Visits 24,605 35.3 ± 23.5 20,120 38.3 ± 25.4 <0.0001
PGA (mean ± SD) 21,292 14,618
MDGA (mean ± SD) 8,119 27.4 ± 20.9 10,160 27.1 ± 21.8 0.33
TJC28 (mean ± SD) 22,272 2.5 ± 3.9 17,774 4 ± 5.8 <0.0001
SJC28 (mean ± SD) 22,104 1.6 ± 2.7 17,774 2.4 ± 3.9 <0.0001
ESR (mean ± SD) 20,990 19.1 ± 17.9 16,886 26.7 ± 22.6 <0.0001
C-reactive protein (mean ± SD) (mg/l) 3,724 10.1 ± 18.7 15,539 11.6 ± 21.9 <0.0001

PGA, patient assessment of disease activity (100 mm); MDGA, physician assessment of disease activity (100 mm); TJC28, 28 tender joint count; SJC28, 28 swollen joint count; ESR, erythrocyte sedimentation rate (mm/h).

Chi-square and t-tests were used, as appropriate. Significance: p-value < 0.05.