Recent review of surveys 63 published surveys 50 on AD, 14 on ASP, 12 on CDD, 26 on PDD half published since 2001 AD: 2.2/1,000 ASP: 1/1,000 CDD: 2/100,000 PDD: ~ 7/1,000 Some studies have PDD rates over 1% 1.1% in NJ- USA (CDC, 2007) 1.3% in Arizona (CDC, 2009) 1.2% in the UK (Baird et al.
{}