The factor structure of extrapyramidal symptoms evaluated using the Drug-Induced Extrapyramidal Symptoms Scale in patients with schizophrenia: Results from the 2016 REAP AP-4 study.
Chika KubotaToshiya InadaShih-Ku LinAjit AvasthiKok Yoon CheeAndi Jayalangkara TanraShu-Yu YangLian-Yu ChenMian-Yoon ChongAdarsh TripathiRoy Abraham KallivayalilSandeep GroverSeon-Cheol ParkTakahiro A KatoYu-Tao XiangKang SimMargarita M MaramisIsa Multazam NoorChay-Hoon TanNorman SartoriusNaotaka ShinfukuPublished in: Human psychopharmacology (2022)
The results suggest that the eight individual items of the DIEPSS could be composed of three different mechanisms: acute parkinsonism observed during action (F1), acute parkinsonism observed at rest (F2), and central dopaminergic mechanisms with pathophysiology other than acute parkinsonism (F3).