Interval-censored multivariate failure time data arise when there are multiple types of failure or there is clustering of study subjects and each failure time is known only to lie in a certain ...

We incorporate a reduced-rank envelope in an elliptical multivariate linear regression to improve the efficiency of estimation. The reduced-rank envelope model takes advantage of both a reduced-rank ...

Primary and secondary outcome measures The primary outcome was tracheal injury score, assessed via fibreoptic bronchoscopy for hyperaemia, ischaemia, ulcers and perforation. Lesions were classified as ...