Table 3.

Probability of CRSsNP patients achieving an MCID after ESS based on their preoperative SNOT-22 score grouping

Preoperative SNOT-22 Grouping	Probability of CRSsNP patients achieving an MCID after ESS	Relative improvement (%)
10-19 (n=6)	3 (50.0%)	+14.8%
20-29 (n=16)	9 (56.3%)	−45.6%
30-39 (n=28)	20 (71.4%)	−48.4%
40-49 (n=42)	35 (83.3%)	−40.1%
50-59 (n=35)	28 (80.0%)	−46.6%
60-69 (n=34)	29 (85.3%)	−49.6%
70-79 (n=29)	26 (89.7%)	−46.9%
80-89 (n=7)	5 (71.4%)	−45.8%
90-99 (n=3)	2 (66.7%)	−34.6%
100-109 (n=1)	1 (100.0%)	−49.5%

CRSsNP, chronic rhinosinusitis without nasal polyps; SNOT, sinonasal outcome test; ESS, endoscopic sinus surgery; MCID, minimal clinically important difference