Key points:
- One-third of the patients with unilateral rhinosinusitis reported
abnormal nasality preoperatively.
- The Lund-Mackay score was significantly positively correlated with
change of nasalance of [i].
- In the higher severity group who received more wide opening surgery,
the change in nasalance was significantly increase 1 year after FESS.
- The post-operative nasalance score may closed to a normal status since
the self-reported nasality assessment was significantly improved
postoperatively.