Characteristics N=19
Age Group (years)
20-29 (1) 30-39 (1) 40-49 (1) 50-59 (9) 60-69 (3) 70-79 (4)
Sex
Male (13) Female (6)
Ethnicity White British (19)
Previous Endoscopic Sinus Surgery
Yes (8) No (5) Surgery as part of the MACRO trial (6)
Nasal polyps
Yes (17) No (2)
Randomisation
Medical Component (13) Surgical Component (6)