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Kenji Oku, Tatsuya Atsumi, Yuji Akiyama, Hirofumi Amano, Naoto Azuma, Toshiyuki Bohgaki, Yu Funakubo Asanuma, Tetsuya Horita, Tadashi Hosoya, Kunihiro Ichinose, Masaru Kato, Yasuhiro Katsumata, Yasushi Kawaguchi, Atsushi Kawakami, Tomohiro Koga, Hitoshi Kohsaka, Yuya Kondo, Kanae Kubo, Masataka Kuwana, Akio Mimori, Tsuneyo Mimori, Toshihide Mimura, Kosaku Murakami, Kazuhisa Nakano, Shingo Nakayamada, Hiroshi Ogishima, Kazumasa Ohmura, Kazuyoshi Saito, Hajime Sano, Mihoko Shibuya, Yuko Takahashi, Yoshinari Takasaki, Tsutomu Takeuchi, Naoto Tamura, Yoshiya Tanaka, Hiroto Tsuboi, Shinichiro Tsunoda, Naoichiro Yukawa, Noriyuki Yamakawa, Kazuhiko Yamamoto, Takayuki Sumida, Evaluation of the alternative classification criteria of systemic lupus erythematosus established by Systemic Lupus International Collaborating Clinics (SLICC), Modern Rheumatology, Volume 28, Issue 4, 4 July 2018, Pages 642–648, https://doi.org/10.1080/14397595.2017.1385154
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Abstract
Objective: To evaluate the performance of the 2012 Systemic Lupus International Collaborating Clinics criteria (SLICC-12) on classifying systemic lupus erythematosus (SLE) in an uncontrolled multi-centered study with real-life scenario of the patients in Japan.
Methods: This study comprised 495 patients with SLE or non-SLE rheumatic diseases and allied conditions from 12 institutes in Japan. Chart review of each patient was performed by the 27 expert rheumatologists and diagnosis of 487 cases reached to the consensus. Value of the SLICC-12 on SLE classification was analyzed comparing with the 1997 revised American College of Rheumatology SLE classification criteria (ACR-97) employing the expert-consented diagnoses.
Results: Compared to the ACR-97, the SLICC-12 had a higher sensitivity (ACR-97 vs. SLICC-12: 0.88 vs. 0.99, p < .01) and comparable specificity (0.85 vs. 0.80). The rate of misclassification (0.14 vs. 0.11) or the area under the receiver operating characteristic curves (0.863 vs. 0.894) was not statistically different. In the cases that diagnoses corresponded in high rates among experts, both criteria showed high accordance of SLE classification over 85% with the expert diagnoses.
Conclusion: Although employment of SLICC-12 for the classification for SLE should be carefully considered, the SLICC-12 showed the higher sensitivity on classifying SLE in Japanese population.
