Numero necessario perché si abbia un esito negativo/evento avverso

Currie JM et al. Prescribing of opioid analgesics and buprenorphine for opioid use disorder during the covid-19 pandemic. JAMA Netw Open 2021;4(4):e216147.

Marson A, Burnside G, Appleton R, et al.; SANAD II collaborators. The SANAD II study of the effectiveness and cost-effectiveness of valproate versus levetiracetam for newly diagnosed generalised and unclassifiable epilepsy: an open-label, non-inferiority, multicentre, phase 4, randomised controlled trial. Lancet 2021;397(10282):1375-1386.

Marson A, Burnside G, Appleton R, et al.; SANAD II collaborators. The SANAD II study of the effectiveness and cost-effectiveness of levetiracetam, zonisamide, or lamotrigine for newly diagnosed focal epilepsy: an open-label, non-inferiority, multicentre, phase 4, randomised controlled trial. Lancet 2021;397(10282):1363-1374.

Zichi C et al. Adoption of multiple primary endpoints in phase III trials of systemic treatments in patients with advanced solid tumours. A systematic review. Eur j Canc 2021;149:49-60.

Seidler AN et al.; on behalf of the International Liaison Committee On Resuscitation Neonatal Life Support Task Force. Umbilical cord management for newborns <34 weeks' gestation: a meta-analysis. Pediatrics 2021; 147 (3) e20200576.

Gabrhelík R et al. Cannabis use during pregnancy and risk of adverse birth outcomes: a longitudinal cohort study. Eur Addict Res 2020. doi: 10.1159/000510821e

Ouldali N et al. Association of intravenous immunoglobulins plus methylprednisolone vs immunoglobulins alone with course of fever in multisystem inflammatory syndrome in children. JAMA. February 1, 2021. Epub ahead of print. doi:10.1001/jama.2021.0694

Freedman RA et al. Individualizing surveillance mammography for older patients after treatment for early-stage breast cancer: multidisciplinary expert panel and International Society of Geriatric Oncology Consensus Statement. JAMA Oncol. Published online January 28, 2021. doi:10.1001/jamaoncol.2020.7582

Fontanella CA et al. Association of cannabis use with self-harm and mortality risk among youths with mood disorders. JAMA Pediatr. Published online January 19, 2021. doi:10.1001/jamapediatrics.2020.5494