Abstract
BackgroundTo clarify the controversy regarding the relationship between serum high-sensitivity C-reactive protein (hs-CRP) levels and cognitive impairments in first-episode schizophrenic patients and examine whether hs-CRP is a potential objective biological indicator for evaluating cognitive impairment in first-episode schizophrenic patients. MethodsSerum hs-CRP levels were measured in 58 first-episode schizophrenic patients and 31 healthy controls using immunofluorescence. The Brief Psychiatric Rating Scale (BPRS) and the P300 event-related potential were assessed. The relationship between serum hs-CRP levels and both BPRS scores and P300 were analyzed. ResultsSerum hs-CRP levels and BPRS scores were significantly higher in the study group than in the control group. The incubation period of P3 was longer, and the amplitude of P3 was larger in the study group than in the control group. Correlation analysis showed that in the study group, serum hs-CRP levels were positively correlated with BPRS total scores. Serum hs-CRP levels were also positively correlated with the incubation period of P3 and negatively correlated with P3 amplitudes. ConclusionsSerum hs-CRP levels were positively associated with cognitive impairment in first-episode schizophrenic patients and potentially represent an objective biological indicator for the rapid evaluation of cognitive impairment in first-episode schizophrenic patients.
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