Transfusion rates vary significantly amongst Canadian medical centres

Red blood cell transfusion practices amongst Canadian anesthesiologists: a survey.

PURPOSE To assess red blood cell transfusion practices among Canadian anesthesiologists. METHODS A survey depicting three realistic clinical scenarios of elective surgical procedures with different risks of bleeding was administered to all Canadian practicing members (n = 2,100) of the Canadian Anesthesiologists' Society. Respondents were requested to choose hemoglobin thresholds for which th...

Swiss medical centres vary significantly when it comes to outcomes of neonates with a very low gestational age

AIM This study quantified the impact of perinatal predictors and medical centre on the outcome of very low-gestational-age neonates (VLGANs) born at <32 completed weeks in Switzerland. METHODS Using prospectively collected data from a 10-year cohort of VLGANs, we developed logistic regression models for three different time points: delivery, NICU admission and seven days of age. The data pred...

Molecular dating when rates vary.

Molecular-dating techniques potentially enable us to estimate the time of origin of any biological lineage. Such techniques were originally premised on the assumption of a 'molecular clock'; that is, the assumption that genetic change accumulated steadily over time. However, it is becoming increasingly clear that constant rates of molecular evolution might be the exception rather than the rule....

Protecting Confidentiality in Canadian Research Data Centres

Regional postgraduate medical centres.

We wish to thank Dr. M. J. Pleydell, County Medical Officer, and Miss E. Richards, County Nursing Officer for Oxfordshire, for their help and encouragement with the project. We also wish to thank Dr. F. Hampson, director of pathology, and Dr. D. Robertson Smith, consultant haematologist, Royal Berkshire Hospital, for allowing the practice nurses to attend their department; also the matron and s...