Table 5. Variables correlated with state anxiety and depression of the pain patients (n = 64).

Variables	r value	P value
State Anxiety correlated
The highest education level	0.21	0.098
ECOG PS	0.39	0.002
Currently receiving anticancer treatment	0.22	0.077
Length of cancer pain, weeks.	0.30	0.017
The worst PI in the past 24 hrs	0.64	0.000
The average in the past 24 hrs	0.52	0.000
Depression correlated
The highest education level	0.16	0.217
ECOG PS	0.37	0.002
Number of metastatic sites	0.19	0.136
Length of cancer pain, weeks.	0.33	0.007
The worst PI in the past 24 hrs	0.31	0.013
The average in the past 24 hrs	0.37	0.003