TABLE 1

Clinical data for cohorts studied

UK discovery cohortUK replication cohortUK rapamycin-treated groupUSA NHLBI cohortHealthy controls
AllStableProgressive
Subjects n502624272415222
Age years50.6±10.950.9±11.850.3±10.049.4±13.946.4±9.745.4±9.035.0±11.7
Disease duration years13.9±11.114.2±11.413.5±11.19.1±9.513.1±9.54.6±4.3NA
Angiomyolipoma7277675554NTNA
Lymphatic disease1615172325NTNA
TSC141981521NTNA
Pneumothorax4850464046NTNA
Post-menopause344225302548NA
FEV1 % pred68.9±20.676.4±18.960.8±19.577.4±23.446.7±14.874.1±27.5NA
DLCO % pred59.8±15.868.9±12.750.0±12.962.9±17.143.3±12.355.7±25.6NA
VEGF-D pg·mL−11327±1187985±8331698±14051275±15271082±1257NT397±125

Data are presented as mean±sd (at recruitment) or % (present at any time in disease course), unless otherwise stated. NHLBI: National Heart, Lung and Blood Institute; TSC: tuberous sclerosis complex; FEV1: forced expiratory volume in 1 s; DLCO: diffusing capacity of the lung for carbon monoxide; VEGF: vascular endothelial growth factor; NA: not applicable; NT: not available for testing. Disease duration in the UK lymphangioleiomyomatosis cohort was from first symptom to enrolment, while in the NHLBI cohort disease duration was from diagnosis to enrolment. In the NHLBI cohort menopause was assumed if ≥50 years of age.