Table 1

 Demographic characteristics of the patient population

DiagnosisNo of patients*Age†Sex
*81 of the 89 patients with UIP were from the Royal Brompton Hospital and eight were from Vanderbilt Hospital. All patients with NSIP were from the Royal Brompton Hospital. Diagnoses of UIP and NSIP were made in accordance with ATS/ERS consensus statements.1,11 18 of the UIP patients and 23 of the NSIP patients had surgical lung biopsies.
†Age for UIP and NSIP represents age at time of diagnosis. Age for controls represents age at which they donated blood for the study.
UIP896374% male
NSIP465757% male
Controls1044353% male