Fig. 2From: Twelve-year follow-up study after endoscopic sinus surgery in patients with chronic rhinosinusitis with nasal polyposisThe total nasal endoscopic polyp score expressed as Davos score between 0 and 6. The total nasal endoscopic polyp score is divided in four groups and the percentage of study objects with a certain Davos score are shown at the three time points (2000 N = 47, 2006 N = 27 and 2012 N = 24). *P < 0.05; ***P < 0.001Back to article page