Table 4.

Depression severity of caregivers.

Items	Control group (N = 55)	EMR group (N = 55)	P value
M0 depression severity, No. (%)			.745
No	43 (78.2)	44 (80.0)
Mild	8 (14.5)	9 (16.4)
Moderate	3 (5.5)	2 (3.6)
Severe	1 (1.8)	0 (0.0)
M3 depression severity, No. (%)			.449
No	41 (74.6)	44 (80.0)
Mild	10 (18.2)	9 (16.4)
Moderate	2 (3.6)	2 (3.6)
Severe	2 (3.6)	0 (0.0)
M6 depression severity, No. (%)			.152
No	37 (67.3)	43 (78.2)
Mild	13 (23.6)	11 (20.0)
Moderate	4 (7.3)	1 (1.8)
Severe	1 (1.8)	0 (0.0)	.080
M12 depression severity, No. (%)
No	34 (61.8)	42 (76.4)
Mild	17 (31.0)	12 (21.8)
Moderate	2 (3.6)	1 (1.8)
Severe	2 (3.6)	0 (0.0)

Comparison was determined by Wilcoxon rank sum test. EMR = education and muscle relaxation, M0 = time of patients’ discharge from hospital, M12 = at the 12th month after discharge, M3 = at the 3rd month after discharge, M6 = at the 6th month after discharge.