Table I.
Stanford cohort demographics, disease severity, and healthcare utilization
| Asian | Black | Hispanic | White | ANOVA/χ2 test P value | |
|---|---|---|---|---|---|
| Demographics | |||||
| Patients, n (% of total cohort) | 143 (15%) | 130 (14%) | 178 (19%) | 272 (29%) | |
| Gender, n (%) | |||||
| Male | 54 (37.8%) | 27 (20.8%) | 48 (27%) | 85 (31.3%) | <.001‡ |
| Female | 89 (62.2%) | 103 (79.2%) | 130 (73%) | 187 (68.8%) | |
| Current age mean (SD) | 39 (13.7) | 44.4 (15.3) | 35.1 (11.8) | 43.4 (15.7) | <.001‡ |
| Age at presentation mean (SD) | 35.1 (13.3) | 39.6 (15.2) | 30.8 (11.7) | 38.7 (15.2) | <.001‡ |
| Disease severity | |||||
| Stage I, n (%) | 9 (29%) | 7 (30.4%) | 6 (13%) | 22 (35.5%) | |
| Stage II, n (%) | 10 (32.3%) | 7 (30.4%) | 20 (43.5%) | 23 (37.1%) | |
| Stage III, n (%) | 12 (38.7%) | 9 (39.1%) | 20 (43.5%) | 17 (27.4%) | |
| Mean Hurley stage (SD) | 2.10 (0.8) | 2.09 (0.9) | 2.30 (0.7) | 1.92 (0.8) | .170∗ |
| Healthcare utilization—outpatient Visits | |||||
| Mean encounters (SD; Range) | 4.6 (6.4; 0-47) | 5.2 (6; 0-41) | 7.2 (10.8; 0-66) | 4.7 (5.4; 0-40) | .011† |
| Healthcare utilization—emergency room visits | |||||
| Mean encounters (SD; Range) | 0 (0.3; 0-3) | 0.2 (0.6; 0-5) | 0.2 (1.1; 0-10) | 0.1 (0.5; 0-7) | <.001‡ |
| Healthcare utilization—inpatient admissions | |||||
| Mean encounters (SD; Range) | 0.1 (0.5; 0-3) | 0.3 (0.9; 0-5) | 0.2 (0.7; 0-7) | 0.1 (0.6; 0-5) | <.001‡ |
Data for Native Americans and Pacific Islanders are not presented here due to small sample size.
ANOVA, Analysis of variance; SD, standard deviation.
∗
P > .05.
†
P < .05.
‡
P < .001.