Forest plot of odds ratios (respiratory panic versus non-respiratory panic) for lifetime comorbid diagnoses. All diagnoses were entered simultaneously in latent class models (p values are presented in Table 4). SP, specific phobia; NESARC, National Epidemiologic Survey on Alcohol and Related Conditions; CNCPS, Cross-National Collaborative Panic Study; SAD, social anxiety disorder/social phobia; NicDep, nicotine dependence; MDD, major depressive disorder; GAD, generalized anxiety disorder; Alc Dep, alcohol dependence; Ag, agoraphobia.