Validation of the Chinese Version of the Sinus and Nasal Quality of Life Survey (SN-5)

"The SN-5 consists of five questions on a 7-point scale that assesses the frequency of the following symptoms: (1) nasal obstruction, (2) sinus infection, (3) allergies, (4) emotional distress, and (5) activity limitations. The scoring system is as follows: 1 indicates none of the time, 2 indicating hardly any time at all, 3 indicates a small part of the time, 4 indicates some of the time, 5 indicates a good part of the time, 6 indicates most of the time, and 7 indicates all of the time. Higher scores indicate more severe sinonasal symptoms. One item from a global faces scale scored from 0 to 10 is used to evaluate overall QoL related to nasal or sinus disease. Higher scores on this scale indicate a less severe impact of nasal or sinus disease. The scores from the first five items (1-7 each)"