Mediating role of sleep disturbance in association between nasal congestion severity and anxiety symptoms in allergic rhinitis patients

Table 3 Comparison of sleep quality between the two groups, mean ± SD

Parameters	MNC group (n = 115)	SNC group (n = 120)	t value	P value
Global PSQI score	9.05 ± 2.12	10.24 ± 3.19	3.371	< 0.001
Subjective sleep quality	1.36 ± 0.40	1.51 ± 0.48	2.517	0.013
Sleep latency	1.53 ± 0.41	1.71 ± 0.52	2.914	0.004
Sleep duration	1.23 ± 0.34	1.38 ± 0.40	3.103	0.002
Habitual sleep efficiency	1.04 ± 0.27	1.18 ± 0.39	3.164	0.002
Sleep disturbances	1.63 ± 0.56	1.84 ± 0.51	2.996	0.003
Use of sleeping medication	0.47 ± 0.15	0.50 ± 0.15	1.193	0.234
Daytime dysfunction	1.46 ± 0.38	1.63 ± 0.49	3.039	0.003

MNC: Moderate nasal congestion; SNC: Severe nasal congestion; PSQI: Pittsburgh Sleep Quality Index.