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Table 2 Correlation between MoCA test, sleep quality assessment (PSQI), SCOPA-AUT, Rome III adult questionnaire, and demographic data; predominant motor symptoms; Hoehn and Yahr; and duration of illness

From: Non-motor symptoms in newly diagnosed Parkinson’s disease patients

Tremor Rigidity Hoehn and Yahr stage Gender Age Duration of illness
r P r P r P r P r P r P
MoCA (+ B) test
 0.45 0.18 − 0.26 0.45 − 0.17 0.63 0.3 0.31 − 0.78 0.006* − 0.69 0.024*
Sleep quality assessment (PSQI)
 0.54 0.02* − 0.29 0.91 0.01 0.06 0.05 0.85 0.5 0.04* 0.34 0.18
SCOPA-AUT
 0.58 0.0001* − 0.34 0.03* 0.57 0.002* − 0.28 0.09 0.21 0.21 0.6 < 0.0001*
Rome III adult questionnaire
 0.06 0.73 0.09 0.6 0.11 0.54 0.19 0.28 0.03 0.82 0.29 0.17
  1. * statistically significant