Skip to main content
. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: Laryngoscope. 2018 Sep 12;129(2):303–311. doi: 10.1002/lary.27473

Table 7:

Comparison of relative mean improvement as a percentage of baseline score between symptom duration subgroups (n=78)

PROM scores: ≤ 60 symptom months (n=50) > 60 symptom months (n=28) Test Statistic p-value
RMI (%) RMI (%)
SNOT-22 total score 50.2% 53.2% MWU=540 0.185
 Rhinologic domain 45.5% 64.4% MWU=514 0.213
 Extra-nasal rhinologic domain 45.5% 44.4% MWU=513 0.334
 Ear / facial domain 55.0% 72.5% MWU=499 0.193
 Psychological dysfunction 39.8% 68.8% MWU=459 0.098
 Sleep dysfunction 46.1% 60.4% MWU=515 0.461
RSDI total score 56.7% 76.1% MWU=519 0.282
 Physical domain 48.8% 74.7% MWU=530 0.205
 Functional domain 60.9% 83.2% MWU=429 0.065
 Emotional domain 34.7% 73.7% MWU=367 0.166
Endoscopy score 46.4% 14.8% MWU=387 0.600
BSIT score 10.6% 56.0% MWU=573 0.006

PROM, patient reported outcome measure; RMI, relative mean improvement, SNOT-22, 22-item SinoNasal Outcome Test; RSDI, Rhinosinusitis Disability Index; BSIT, Brief Smell Identification Test. MWU, Mann Whitney U test statistic.