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. Author manuscript; available in PMC: 2009 Sep 2.
Published in final edited form as: Otolaryngol Head Neck Surg. 2009 Sep;141(3):358–363. doi: 10.1016/j.otohns.2009.05.034

Table III.

Mean postoperative improvement in endoscopy and disease-specific quality of life for cases and controls

Mean absolute
change (Δ)		 p-value
Cases with CF: (mean ± SD)
     Endoscopy score 1.4 ± 4.3 0.145
     Quality of Life:
     RSDI functional 7.0 ± 5.3 <0.001
     RSDI physical 6.7 ± 7.3 0.004
     RSDI emotional 6.2 ± 6.6 0.001
     RSDI total 19.8 ± 17.1 <0.001
     CSS symptom 29.2 ± 30.9 0.002
     CSS medication 4.2 ± 37.3 0.733
     CSS total 12.5 ± 25.7 0.051
Matched controls:
     Endoscopy score 1.8 ± 4.2 0.071
     Quality of Life:
     RSDI functional 6.9 ± 5.6 <0.001
     RSDI physical 8.6 ± 7.1 <0.001
     RSDI emotional 4.8 ± 5.1 0.001
     RSDI total 20.3 ± 15.5 <0.001
     CSS symptom 26.3 ± 26.1 <0.001
     CSS medication 16.7 ± 32.4 0.034
     CSS total 21.5 ± 21.8 0.001

Both cases and controls were assessed for mean absolute changes in endoscopy and quality of life after endoscopic sinus surgery. CT = computed tomography. SD = standard deviation. RSDI = Rhinosinusitis Disability Index. CSS = Chronic Sinusitis Survey. p ≤ 0.05 was statistically significant.