Table 3.

Wilcoxon signed-rank test and Mann–Whitney U-test for comparing rhinosinusitis disability index values within and between groups

Wilcoxon signed-rank test within groups comparison
Variables RSDI	Control group (A)						Experimental group (B)
	Pre	Post	Mean difference (%)		p-value		Pre	Post		Mean difference (%)	p-value
Physical	32.47±1.50	20.88±1.27	11.58±1.33 (35.66)		<0.001*		32.88±1.37	14.17±1.33		17.91±1.11 (55.82)	<0.001*
Functional	19.03±1.44	12.88±1.34	6.14±0.43 (32.28)		<0.001*		18.70±1.36	8.76±0.74		9.94±0.91 (53.15)	<0.001*
Emotional	19.58±1.57	13.38±0.81	6.20±1.12 (31.66)		<0.001*		19.82±1.48	8.82±0.86		11.00±0.77 (55.49)	<0.001*
Total	71.08±1.13	47.14±1.15	23.94±0.95 (33.68)		<0.001*		70.64±1.20	31.76±1.04		38.88±0.67 (55.03)	<0.001*
Mann–Whitney U-test between groups comparison
Variables RSDI				Pretest (control group vs. experimental group)		Posttest (control group vs. experimental group)			p-value of mean difference
Physical				p=0.302		p<0.001*			<0.001*
Functional				p=0.359		p<0.001*			<0.001*
Emotional				p=0.408		p<0.001*			<0.001*
Total				p=0.131		p<0.001*			<0.001*

Values are presented as mean±standard deviation.

RSDI, rhinosinusitis disability index.

p>0.05 indicates no significance, *p<0.05 indicates significance.