Table 1

 Age, sex, ethnicity of subjects, and indications for bronchoscopy

WheezeStridor
Number3013
Age (months) [median (range)]25.5 (6–58)14 (3–42)
Males17 (57%)9 (69%)
Ethnicity
    Caucasian25 (84%)8 (62%)
    Afro-Caribbean1 (3%)2 (15%)
    Indian01 (8%)
    Arabic2 (7%)2 (15%)
    Chinese1 (3%)0
    Mixed Indian/Caucasian1 (3%)0
Previous hospital admission for acute wheeze19 (63%)0
Indication for FOB
    Exclude other diagnoses and/or identify upper airway abnormality300
    Identify cause of stridor013