. Author manuscript; available in PMC: 2018 Jan 1.

Published in final edited form as: Int Forum Allergy Rhinol. 2016 Aug 23;7(1):56–63. doi: 10.1002/alr.21843

Table 3.

Bivariate Spearman correlation coefficients between PSQI scores and pain severity measures for patients with CRS.

	PSQI Scores
	Sleep Duration R_s	Sleep Disturbance R_s	Sleep Latency R_s	Daytime Dysfunction R_s	Sleep Efficiency R_s	Sleep Quality R_s	Medication Use R_s	Total R_s
BPI-SF Pain severity	0.191	0.131	0.229	0.394^**	0.198	0.313^*	0.380^**	0.388^**
BPI-SF Pain interference	0.397^**	0.409^**	0.444^**	0.483^**	0.172	0.459^**	0.412^**	0.587^**
Total SF-MPQ	0.348^**	0.407^**	0.505^**	0.449^**	0.328^*	0.575^**	0.429^**	0.613^**
Sensory dimension	0.321^*	0.392^**	0.432^**	0.420^**	0.232	0.549^**	0.441^**	0.558^**
Affective dimension	0.302^*	0.373^**	0.493^**	0.421^**	0.313^*	0.514^**	0.377^**	0.585^**
PPI Score	0.299^*	0.154	0.427^**	0.378^**	0.235	0.392^**	0.397^**	0.455^**
VAS Score	0.229	0.204	0.347^**	0.370^**	0.163	0.279^*	0.416^**	0.451^**

R_s=correlation coefficient; BPI-SF = Brief Pain Inventory Short Form; SF-MPQ = Short-Form McGill Pain Questionnaire; PPI = Present Pain Inventory; VAS = Visual Analogue Scale; PSQI = Pittsburgh Sleep Quality Index.

p<0.05

^**

p<0.01