Distinct problems in the analysis of failure times with competing causes of failure include the
estimation of treatment or exposure effects on specific failure types, the study of …

… Farewell … VT Farewell … t: +41 61 306 11 11 f: +41 61 306 12 34 e: karger@karger.com
w: www.karger.com …

Objective: To study the role of human factors on surgical outcomes, with a series of 243
arterial switch operations performed by 21 surgeons taken as a model. Methods: The following …

Objective To compare health‐related quality of life (QOL) between patients with psoriatic
arthritis (PsA) and patients with rheumatoid arthritis (RA), using the Medical Outcomes Study …

Objective. To identify the causes of death and mortality risk in patients with psoriatic arthritis (PsA)
who were being followed up at a single outpatient clinic in Toronto, Ontario, Canada. …

Objective To investigate prognostic factors associated with mortality in patients with psoriatic
arthritis (PsA). Methods Patients followed up at the Toronto PsA Clinic between 1978 and …

Background: Increasing evidence for cardiovascular mortality among patients with psoriasis
and psoriatic arthritis (PsA) has accumulated, together with evidence for increased …

There has been a recurring interest in models for survival data which hypothesize subpopulations
of individuals highly susceptible to some type of adverse event. Other individuals are …

Objective Survival of patients with systemic lupus erythematosus (SLE) has improved
significantly, but new morbidities have emerged, leading to altered patterns of outcome in this …

Objective: To develop and validate a psoriatic arthritis (PsA) screening questionnaire: the
Toronto Psoriatic Arthritis Screen (ToPAS). Methods: The ToPAS was developed through …