Περίληψη:
This study reports the reliability of the juvenile idiopathic arthritis
magnetic resonance imaging scoring system (JAMRIS-SIJ). The study
comprised of eight raters-two rheumatologists and six radiologists-and
30 coronal T1 and Short-Tau Inversion Recovery (STIR) MRI scans of
patients with enthesitis-related juvenile spondylarthritis. The median
age of patients was 15 years with a mean disease duration of 5 years and
22 (73.3%) of the sample were boys. The inter-rater agreement of scores
for each of the JAMRIS-SIJ items was calculated using a two-way random
effect, absolute agreement, and single rater intraclass correlation
coefficient (ICC 2.1). The ICC was interpreted together with kurtosis,
since the ICC is also affected by the distribution of scores in the
sample. The eight-rater, single measure inter-rater ICC (and kurtosis)
values for JAMRIS-SIJ inflammation and damage components were the
following: bone marrow edema (BME), 0.76 (1.2); joint space
inflammation, 0.60 (1.8); capsulitis, 0.58 (9.2); enthesitis, 0.20
(0.1); ankylosis, 0.89 (35); sclerosis, 0.53 (4.6); erosion, 0.50 (6.5);
fat lesion, 0.40 (21); backfill, 0.38 (38). The inter-rater reliability
for BME and ankylosis scores was good and met the a priori set ICC
threshold, whereas for the other items it was variable and below the
selected threshold. Future directives should focus on refinement of the
scores, definitions, and methods of interpretation prior to validation
of the JAMRIS-SIJ through the assessment of its measurement
properties.
Συγγραφείς:
Otobo, Tarimobo M.
Herregods, Nele
Jaremko, Jacob L. and
Sudol-Szopinska, Iwona
Maksymowych, Walter P.
Meyers, Arthur B.
and Weiss, Pamela
Tse, Shirley
Paschke, Joel
Moineddin,
Rahim
Haroon, Nigil
Tzaribachev, Nikolay
Appenzeller, Simone
and Papakonstantinou, Olympia
Kirkhus, Eva
van Rossum, Marion A.
J.
Carrino, John
Conaghan, Philip G.
Tolend, Mirkamal and
Stimec, Jennifer
Jans, Lennart
Lambert, Robert G.
Rumsey,
Dax
Doria, Andrea S.
