Authors' reply to Pérol and colleagues

Lars G Hemkens^{1

2}, Despina G Contopoulos-Ioannidis^{3

4}, John P A Ioannidis^{1

4

5

6}

Affiliations

¹ Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
² Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, Basel, Switzerland.
³ Department of Pediatrics, Division of Infectious Diseases, Stanford University School of Medicine, Stanford, California, USA.
⁴ Meta-Research Innovation Center at Stanford (METRICS).
⁵ Department of Health Research and Policy, Stanford University School of Medicine, Stanford, California, USA.
⁶ Department of Statistics, Stanford University School of Humanities and Sciences, Stanford, California, USA.

Comment

Lars G Hemkens et al. BMJ. 2016.

. 2016 Dec 16:355:i6747.

doi: 10.1136/bmj.i6747.

Lars G Hemkens^{1

2}, Despina G Contopoulos-Ioannidis^{3

4}, John P A Ioannidis^{1

4

5

6}

¹ Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
² Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, Basel, Switzerland.
³ Department of Pediatrics, Division of Infectious Diseases, Stanford University School of Medicine, Stanford, California, USA.
⁴ Meta-Research Innovation Center at Stanford (METRICS).
⁵ Department of Health Research and Policy, Stanford University School of Medicine, Stanford, California, USA.
⁶ Department of Statistics, Stanford University School of Humanities and Sciences, Stanford, California, USA.

No abstract available

Comment on

Agreement of treatment effects for mortality from routinely collected data and subsequent randomized trials: meta-epidemiological survey.
Hemkens LG, Contopoulos-Ioannidis DG, Ioannidis JP. Hemkens LG, et al. BMJ. 2016 Feb 8;352:i493. doi: 10.1136/bmj.i493. BMJ. 2016. PMID: 26858277 Free PMC article.
Routinely collected data may usefully supplement randomised controlled data on treatment effects for mortality.
Pérol D, Robain M, Delaloge S, Cailliot C. Pérol D, et al. BMJ. 2016 Dec 16;355:i6745. doi: 10.1136/bmj.i6745. BMJ. 2016. PMID: 27986716 No abstract available.