Correlation of Serum β-Endorphin and the Quality of Life in Allergic Rhinitis

Table 1

Comparison of the β-endorphin concentration and RQLQ scores among the three groups according to RQLQ.

	-Endorphin (mean ± SD, pg/mL)	RQLQ scores (mean ± SD)
Mild group () (scores 0–56)	33.65 ± 15.73	38.47 ± 11.93
Moderate group () (scores 57–112)	22.27 ± 9.59	79.70 ± 16.19
Severe group () (scores 113–168)	11.64 ± 2.64	126 ± 19.18
Correlation coefficient: −0.468

Data of each group were compared by single-factor ANOVA.
Correlation analysis was performed using Spearman’s correlation test (two-tailed).
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