Importance of remission and residual somatic symptoms in health-related quality of life among outpatients with major depressive disorder: a cross-sectional study

Table 5 Quality of life by somatic symptom severity

Variable	Overall^a			Remitted MDD			Non-remitted MDD
Variable	SS ≥ 8 (n = 277)	SS < 8 (n = 279)	p-value^b	SS ≥ 8 (n = 28)	SS < 8 (n = 155)	p-value^b	SS ≥ 8 (n = 118)	SS < 8 (n = 67)	p-value^b
EQ-5D index score	0.54 ± 0.24	0.75 ± 0.12	0.0017*	0.65 ± 0.19	0.79 ± 0.07	0.0139*	0.52 ± 0.24	0.72 ± 0.14	0.0015*
EQ-VAS	49.32 ± 20.57	69.03 ± 17.56	0.0003*	61.29 ± 15.69	75.50 ± 16.18	0.0372*	47.79 ± 20.68	59.67 ± 16.91	0.2218
Q–LES-Q-SF index score	0.38 ± 0.14	0.55 ± 0.15	0.0008*	0.48 ± 0.13	0.60 ± 0.16	0.9300	0.38 ± 0.14	0.49 ± 0.12	0.2973

MDD = major depressive disorder; SS = somatic subscale of the depression and somatic symptoms scale; EQ-5D = European quality of life-5 dimensions; EQ-VAS = European quality of life visual analog scale; Q–LES-Q-SF = the quality of life enjoyment and satisfaction questionnaire short form.
^aPatients aged 40 years or older.
^bThe difference between groups was derived from ANCOVA adjusted for depression symptom scores.
^*Significance level p < 0.05.

ISSN: 1477-7525