Recurrence rates and need for revision surgery
nasal polyps
RECURRENCE, RECURRENCE, EDEMATOUS
Recurrence rates were defined in two different ways: 1) as an increase in NPS ≥ 2 in ≥ 2 consecutive time points within the 2-year follow-up. This definition was chosen in order to distinguish between edematous mucosa in the postoperative phase and a recurrence of nasal polyps; 2) as an increase in RSDI (