Table 1 Preliminary prevalence and incidence rates (per 100,000) of SLE in San Francisco County, CA, USA
| Â | Prevalence (2007) | Incidence (2007 to 2009) | ||
|---|---|---|---|---|
Race/ethnicity, sex | Number of cases | Crude rate (95% CI) | Number of cases | Crude rate (95% CI) |
Overall | 704 | 90.4 (84.0 to 97.3) | 121 | 5.1 (4.3 to 6.1) |
  Women | 623 | 162.0 (149.8 to 175.2) | 112 | 9.6 (8.0 to 11.5) |
  Men | 81 | 20.6 (16.5 to 25.5) | 9 | 0.7 (0.4 to 1.4) |
Black | 138 | 243.0 (205.7 to 287.0) | 27 | 15.9 (10.9 to 23.1) |
  Women | 121 | 430.6 (360.5 to 514.2) | 25 | 29.9 (20.3 to 44.2) |
  Men | 17 | 59.2 (37.0 to 94.9) | 2 | 2.3 (0.6 to 8.4) |
White | 255 | 58.1 (51.4 to 65.7) | 43 | 3.2 (2.4 to 4.3) |
  Women | 230 | 111.3 (97.8 to 126.6) | 38 | 6.0 (4.4 to 8.3) |
  Men | 25 | 10.8 (7.3 to 15.9) | 5 | 0.7 (0.3 to 1.7) |
Asian | 264 | 95.8 (84.9 to 108.1) | 39 | 4.6 (3.4 to 6.3) |
  Women | 233 | 158.9 (139.8 to 180.7) | 37 | 8.3 (6.0 to 11.4) |
  Men | 31 | 24.0 (16.9 to 34.1) | 2 | 0.5 (0.1 to 1.9) |
Hispanic | 99 | 87.7 (72.1 to 106.8) | 17 | 4.9 (3.1 to 7.8) |
  Women | 87 | 163.8 (132.9 to 202.0) | 16 | 9.8 (6.0 to 15.9) |
  Men | 12 | 20.1 (11.5 to 35.1) | 1 | 0.5 (0.1 to 3.1) |