Continuous treatment strategies improve psychological status and quality of life in patients with atopic dermatitis

Table 6 Sleep quality and stress levels, mean ± SD

Indicator	Intervention group (n = 60)	Control group (n = 60)	P value
Mean PSQI score at baseline	10.2 ± 2.9	10.1 ± 2.8	0.82
Mean PSQI score at 12 months	4.8 ± 1.6	7.3 ± 2.1	< 0.001
Reduction in PSQI score	5.4 ± 2.3	2.8 ± 2.0	< 0.001
Mean PSS-10 score at baseline	25.4 ± 5.2	25.2 ± 5.1	0.85
Mean PSS-10 score at 12 months	12.6 ± 3.8	18.4 ± 4.5	< 0.001
Reduction in PSS-10 score	12.8 ± 4.1	6.8 ± 3.9	< 0.001
Percentage of patients with good sleep quality (PSQI ≤ 5)	70%	40%	< 0.001
Percentage of patients with low stress levels (PSS-10 ≤ 10)	65%	35%	< 0.001
Sleep latency (minutes)	20 ± 10	35 ± 15	< 0.001
Sleep duration (hours)	7.5 ± 0.8	6.2 ± 1.0	< 0.001

PSQI: Pittsburgh sleep quality index; PSS-10: Perceived stress scale.