| Patients with ICD-9 code for gout + new allopurinol prescription (n = 643) | |
| Age (years) on 1 Jan 1999 | 67.9 (9.7) |
| Male, n (%) | 639 (99.4%) |
| Race, n (%) | |
| White | 275 (42.8%) |
| Non-white | 9 (1.4%) |
| Unknown | 359 (55.8%) |
| Charlson Comorbidity Index (maximum over study period) | 2.5 (2.3) |
| Inpatient stays/year | 0.33 (0.61) |
| Inpatient stays/year with gout as primary diagnosis | 0.011 (0.06) |
| Primary care visits/year | 3.6 (2.6) |
| Rheumatology visits/year | 0.14 (0.49) |
| Other outpatient visits/year | 13.0 (12.2) |
| Days/year with any outpatient visits | 14.3 (12.3) |
| Means test, n (%) | |
| AN | 309 (48.1%) |
| AS | 232 (36.1%) |
| C | 102 (15.9%) |
| Percentage service connected (maximum over study period) | 17.6 (30.1) |
Data are presented as mean (SD) except where noted otherwise.
Means test categories defined as follows: AN, most needy but not service connected; AS, most needy and service connected; C, not “most needy”.