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Table 1 Qualitative phenotypes of 68 IPF cases who completed the LCQ questionnaire and were genotyped for MUC5B rs35705950

From: Severity of cough in idiopathic pulmonary fibrosis is associated with MUC5 B genotype

Qualitative variable % subjects; IPF (N = 68)
Male 61.76% (42/68)
GERD (yes/no) 71.64% (48/67)
Definite UACS 32.81% (21/64)
Definite or possible UACS together 42.19% (27/64)
Ever smoked 35.82% (24/67)
Sleep apnea 32.84% (22/67)
ACE inhibitor 14.93% (10/67)
rs35705950 genotype frequencies TT: 4.41% (3/68)
GT: 63.24% (43/68)
GG: 32.35% (22/68)
rs35705950 T allele frequency 37.03% (25/68)
  1. IPF – Idiopathic Pulmonary Fibrosis.
  2. GERD – gastroesophogeal reflux disease.
  3. UACS – Upper Airway Cough Syndrome.