From: Reliability and validity study of Sino-nasal outcome test 22 (Thai version) in chronic rhinosinusitis
VAS
Mild
n = 8
Moderate
n = 25
Severe
n = 17
SNOT-22 score
37.13 ± 21.59
45.52 ± 19.74
63.71 ± 14.39
Mild vs Moderate group p = 0.004
Moderate vs Severe
p = 0.008