Table 1.

Selection for patients with gout with a least one SUA laboratory test value during the date of service period 1999 to 2005 (n = 2,237).

Category of PatientsNo. of Patients
Patients included in IHCIS, selection period 1999–2005~ 13 million in 2004
Patients with either (1) 2 diagnoses of gout on different dates or (2) gout diagnosis and gout-related pharmacy claim during the date of service period 1999 to 2005107,558
Patients with minimum of 1 year continuous eligibility both before and after the index date (first date of gout diagnosis)52,447
Patients age ≥ 65 years at the first date of diagnosis12,506
Patients with at least one SUA laboratory test value2,237
  • IHCIS: Integrated Healthcare Information Services claims database.