Immortal Time Bias Possibly Affecting Fludrocortisone-Hydrocortisone Findings

John Karlsson Valik^{1

2}, Anders Ternhag^{1

2}, Pontus Nauclér^{1

2}

Affiliations

¹ Division of Infectious Diseases, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.
² Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden.

Comment

John Karlsson Valik et al. JAMA Intern Med. 2023.

. 2023 Oct 1;183(10):1178.

doi: 10.1001/jamainternmed.2023.4378.

John Karlsson Valik^{1

2}, Anders Ternhag^{1

2}, Pontus Nauclér^{1

2}

¹ Division of Infectious Diseases, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.
² Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden.

No abstract available

Comment on

Immortal Time Bias Possibly Affecting Fludrocortisone-Hydrocortisone Findings-Reply.
Bosch NA, Law AC, Walkey AJ. Bosch NA, et al. JAMA Intern Med. 2023 Oct 1;183(10):1178-1179. doi: 10.1001/jamainternmed.2023.4375. JAMA Intern Med. 2023. PMID: 37669033 Free PMC article. No abstract available.