Sleep quality in Chinese patients with rheumatoid arthritis: contributing factors and effects on health-related quality of life

Table 5 Comparison between poor and good sleepers in RA patients

Variables	PSQI < 5 (n = 28)	PSQI ≥ 5(n = 103)	p
PF	69.82 ± 28.07	54.27 ± 28.43	0.015
RP	41.07 ± 48.70	17.23 ± 32.09	0.020
BP	60.79 ± 24.72	44.91 ± 25.54	0.004
GH	54.86 ± 21.70	38.29 ± 19.72	<0.001
VT	63.39 ± 17.69	48.59 ± 18.03	<0.001
SF	75.89 ± 26.12	58.62 ± 26.55	0.003
RE	54.76 ± 46.45	31.39 ± 41.96	0.012
MH	71.29 ± 18.48	58.56 ± 17.56	0.002
SF-36 PCS	56.63 ± 24.63	38.68 ± 19.95	0.001
SF-36 MCS	66.33 ± 22.72	49.30 ± 20.27	0.001

p values were obtained with the two-tailed t test for continuous variables
PF physical function, RP role limitations due to physical problems, BP body pain, GH general health perception, VT energy/vitality. SF social function, RE role limitations due to emotional problems, MH mental health, PCS Physical Components Summary, MCS Mental Components Summary, PSQI Pittsburgh Sleep Quality Index

ISSN: 1477-7525