“…These investigations have indicated that patients who have anxiety disorders and PDs tend to have poor outcomes (Nurnberg et al, 1989;Perry, 1993;Reich & Green, 1991;Steketee, Eisen, Dyck, Warshaw, & Rasmussen, 1999;Turner, 1987;Yonkers, Dyck, Warshaw, & Keller, 2000). However, most of these studies have used a sample of modest size, a relatively brief follow-up interval (typically one year or less), or have focused on a limited range of PDs.…”