Clinical staging models describe where an individual exists on a continuum from asymptomatic at‐risk states (Stage 0) through to established late‐stage disease (Stage 4). We applied this framework to systematically assess evidence for any associations between objectively assessed cardiorespiratory fitness (CRF) and stage of psychosis.

中文翻译：

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心肺健康与精神障碍疾病阶段之间是否存在关联？系统评价和荟萃分析

临床分期模型描述了个体从无症状的高危状态（第 0 阶段）到已确定的晚期疾病（第 4 阶段）的连续过程。我们应用这个框架来系统地评估客观评估的心肺健康 (CRF) 和精神病阶段之间的任何关联的证据。