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Correlations of LF, HF, and LF% with Patient Age, PD Duration and UPDRS-Off Score
LF, low frequency power; HF, high frequency power; LF%, LF/(HF+LF) in normalized units; PD, Parkinson's disease; UPDRS-off, Unified Parkinson's Disease Rating Scale in levodopa-off period.
*p<0.05.
