Effects of serum inflammatory factors, health index and disease activity scores on ankylosing spondylitis patients with sleep disorder

Table 2 Sleep quality in the desirable and undesirable prognosis groups

Parameters	Desirable prognosis group (n = 52)	Undesirable prognosis group (n = 54)	t	P value
Pittsburgh sleep quality index	6.82 ± 1.68	7.49 ± 1.98	1.887	0.062
Epworth sleepiness scale	8.67 ± 1.42	9.28 ± 2.15	1.739	0.085
Insomnia severity index	8.81 ± 2.03	9.46 ± 3.19	1.247	0.216
Sleep efficiency (%)	85.46 ± 4.72	84.28 ± 5.64	1.162	0.248
Total sleep time (h)	6.89 ± 1.32	6.48 ± 1.14	1.729	0.087