Table 7.

Regression equations between nine indexes based on difference sequences and HDRS scores.

Regression equation:	R-value	R2-value	p-Value
SEnRR = -0.0014 ∗ HDRS score – 0.1829	-0.0484	0.0023	0.6929
SEnRes = -0.0104 ∗ HDRS score – 0.0619	-0.1049	0.0110	0.3911
FMEnRR = 0.0007 ∗ HDRS score – 0.1080	0.0366	0.0013	0.7653
FMEnRes = -0.0020 ∗ HDRS score – 0.1096	-0.0663	0.0044	0.5885
CSEn_4 = 0.0038 ∗ HDRS score – 0.0431	0.2982	0.0889	0.0128*
CFMEn_4 = 0.0033 ∗ HDRS score – 0.0469	0.3577	0.1279	0.0025**
CSEn_2 = 0.0128 ∗ HDRS score – 0.0807	0.3055	0.0933	0.0107*
CFMEn_2 = 0.0066 ∗ HDRS score – 0.0398	0.3378	0.1141	0.0045**
HF = 3.3687 ∗ HDRS score – 345.6521	0.1155	0.0133	0.3448

^∗Significant correlation with p < 0.05. ^∗∗Significant correlation with p < 0.01.