Table 5.

Pairwise Spearman’s correlation coefficients of QBYY-Q scores and sub-scales of the QD-Q, BD-Q, YnD-Q and YgD-Q with the CFS-K and FSS

	CFS-K	P value	FSS	P value
QD-Q score	0.645	<0.001	0.721	<0.001
QD-Q S1: Fatigue	0.653	<0.001	0.704	<0.001
QD-Q S2: Weakened voice	0.419	<0.001	0.484	<0.001
BD-score	0.467	<0.001	0.441	<0.001
BD-Q S1: Heart pounding	0.298	<0.001	0.366	<0.001
BD-Q S2: Pale and dry body	0.481	<0.001	0.411	<0.001
YnD-score	0.485	<0.001	0.408	<0.001
YnD-Q S1: Rough and dry body	0.387	<0.001	0.252	0.0018
YnD-Q S2: Body steaming	0.411	<0.001	0.433	<0.001
YgD-score	0.291	<0.001	0.403	<0.001
YgD-Q S1: Preference for warm things	0.295	<0.001	0.384	<0.001
YgD-Q S2: Diarrhea	0.083	0.314	0.152	0.063

CFS-K Korean version of the Chalder fatigue scale, FSS fatigue severity scale, QD-score qi deficiency score, BD-score blood deficiency score, YnD-score yin deficiency score, YgD-score yang deficiency score