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Table 1 Descriptive characteristics of the patients

From: Lipoprotein cholesterol fractions are related to markers of inflammation in children and adolescents with juvenile idiopathic arthritis: a cross sectional study

Total number 210
Females/males 149 (71 %)/61 (29 %)
Age (years) Mean 14.4 (SD 3.40) Median 15.00 (Range 7–21)
Height (m) Mean 1.60 (SD 0.15) Median 1.62 (Range 1.14–1.87)
Weight (kg) Mean 52.8 (SD 15.9) Median 53.8 (Range 18.5–97.0)
BMI SDS a Mean 0.4 (SD 1.17) Median 0.50 (Range −3.2–3.6)
Waist-to-height ratio (163 patients) Mean 0.44 (SD 0.04) Median 0.43 (Range 0.35–0.62)
Tanner Stadium 121 (57.6 %) in Tanner Stage 5
JIA subgroup:
 - Systemic 6 (2.9 %)
 - Persisting Oligoarticular 65 (31 %)
 - Polyarticular, RF negative 53 (25 %)
 - Polyarticular, RF positive 8 (3.8 %)
 - Psoriasis associated 21 (10.0 %)
 - Enthesitis associated 56 (26.7 %)
 - Undifferentiated 1 (0.5 %)
 - Anti-Nuclear Antibodies (ANA) positive 32 (15.2 %)
 - HLA-B27 positive 40 (19 %)
Treatment
 - Methotrexate 40 (19 %)
 - Biologics +/− Methotrexate: 142 (68 %)
either TNF-α inhibitors 130
or IL-6 receptor inhibitor 4
or T-cell co-stim inhibitor CTLA-4-Ig 8
 - Solely by intra-articular injections 13 (6.2 %)
 - None 10 (4.8 %)
 - No information 4 (1.9 %)
Disease duration b in years Mean 6.1 (SD 3,7) Median 5.2 (Range 0.5–17.3)
Complete remission off medication 4 (1.9 %)
  1. Summary statistics: Number with percentage in brackets, mean with SD in brackets, and median with range in brackets
  2. a BMI SDS Body mass Index Standard Deviation Score, gender and age adjusted
  3. bDisease duration = duration of symptoms