TNF-α Gene Polymorphisms: Association with Disease Susceptibility and Response to Anti-TNF-α Treatment in Psoriatic Arthritis  Giuseppe Murdaca, Rossella Gulli, Francesca Spanò, Francesca Lantieri, Martina Burlando, Aurora Parodi, Paola Mandich, Francesco Puppo  Journal of Investigative Dermatology  Volume 134, Issue 10, Pages 2503-2509 (October 2014) DOI: 10.1038/jid.2014.123 Copyright © 2014 The Society for Investigative Dermatology, Inc Terms and Conditions

Figure 1 Means and 95% confidence intervals for Health Assessment Questionnaire (left) and Psoriasis Area and Severity Index (right) stratified by single-nucleotide polymorphism +489 genotypes. P-values obtained by the internal post hoc comparisons are shown. NS, not significant. Journal of Investigative Dermatology 2014 134, 2503-2509DOI: (10.1038/jid.2014.123) Copyright © 2014 The Society for Investigative Dermatology, Inc Terms and Conditions