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. Author manuscript; available in PMC: 2018 Mar 1.
Published in final edited form as: Qual Life Res. 2016 Dec 2;26(3):565–586. doi: 10.1007/s11136-016-1468-2

Table 2.

Demographics of Patient Data of Clinical Reference Population Sample, N = 121

Mean (SD)
Age in years 13.0 (2.7)
Female, n (percent) 86 (71.1%)
JIA category, n (percent)
 Polyarticular 77 (63.6%)
 Oligoarticular 21 (17.4%)
 Systemic 11 (9.1%)
 Enthesitis Related Arthritis 4 (3.3%)
 Psoriatic 6 (5.0%)
Pediatric PROMIS T-Scores
 Pain Interference 51.1 (8.8)
 Fatigue 47.5 (12.5)
 Upper Extremity Function 45.7 (9.6)
 Mobility 44.5 (9.8)