Associations (odds ratios) of sex, migraine headache, and prior sinus surgery with CRSS+O (CRS symptoms with Lund-Mackay ≥ 3) in the source population (646 sinus CT participants weighted for sampling and participation using truncated weights) and among participants with no evidence of prior sinus surgery on sinus CT (n = 526). Adjusted for age (centered), sex, anxiety sensitivity index, and patient-reported asthma diagnosis.