Aspirin and Nonsteroidal Anti-Inflammatory Drugs Can Prevent Cutaneous Squamous Cell Carcinoma: a Systematic Review and Meta-Analysis  Chiho Muranushi, Catherine M. Olsen, Nirmala Pandeya, Adèle C. Green  Journal of Investigative Dermatology  Volume 135, Issue 4, Pages 975-983 (April 2015) DOI: 10.1038/jid.2014.531 Copyright © 2015 The Society for Investigative Dermatology, Inc Terms and Conditions

Figure 1 Flow diagram of study selection for meta-analysis of the effect of aspirin or nonaspirin nonsteroidal anti-inflammatory drugs (NSAIDS) on cutaneous squamous cell carcinoma (SCC). Journal of Investigative Dermatology 2015 135, 975-983DOI: (10.1038/jid.2014.531) Copyright © 2015 The Society for Investigative Dermatology, Inc Terms and Conditions

Figure 2 Forest plot of the association between aspirin use and squamous cell carcinoma (studies denoted by first author and publication year). Journal of Investigative Dermatology 2015 135, 975-983DOI: (10.1038/jid.2014.531) Copyright © 2015 The Society for Investigative Dermatology, Inc Terms and Conditions

Figure 3 Forest plot of the association between nonaspirin nonsteroidal anti-inflammatory drugs (NSAIDS) use and squamous cell carcinoma (studies denoted by first author and publication year). Journal of Investigative Dermatology 2015 135, 975-983DOI: (10.1038/jid.2014.531) Copyright © 2015 The Society for Investigative Dermatology, Inc Terms and Conditions

Figure 4 Forest plot of the association between any aspirin or nonaspirin nonsteroidal anti-inflammatory drugs (NSAIDS) use and squamous cell carcinoma (studies denoted by first author and publication year). Journal of Investigative Dermatology 2015 135, 975-983DOI: (10.1038/jid.2014.531) Copyright © 2015 The Society for Investigative Dermatology, Inc Terms and Conditions