Table 5.
Population Characteristics, N = 167 (single injection) stratified by Arthritis Reoccurrence Status
| N(%) or Median (25th–75th) | |||||
|---|---|---|---|---|---|
| All (N = 167) | No Reoccurrence of Arthritis (N = 112) | Arthritis Reoccurrence (N = 55) | P-value* | SMD | |
| Sex – Female | 136 (81%) | 92 (82%) | 44 (80%) | 0.74 | 0.05 |
| Age, year | 6.7 (3.8–10.5) | 6.6 (3.6–10.4) | 7.1 (4.0–10.6) | 0.84 | 0.03 |
| Race | 0.40 | 0.22 | |||
| Black/AA | 5 (3%) | 2 (2%) | 3 (5%) | ||
| White | 149 (90%) | 100 (90%) | 49 (89%) | ||
| Other | 12 (7%) | 9 (8%) | 3 (5%) | ||
| White (vs. nonwhite) | 149 (90%) | 100 (90%) | 49 (89%) | 0.97 | 0.01 |
| Ethnicity – Hispanic (vs not) | 25 (15%) | 17 (15%) | 8 (15%) | 0.88 | 0.02 |
| Symptom Age Start | 4.6 (2.3–8.7) | 4.8 (2.5–8.9) | 4.1 (2.2–8.2) | 0.50 | 0.13 |
| Knee Symptom Age Start | 5.6 (3.2–9.7) | 5.6 (3.1–9.6) | 5.7 (3.3–10.3) | 0.50 | 0.13 |
| Diagnosis age | 4.0 (2.5–6.8) | 4.2 (2.5–6.9) | 3.9 (2.6–6.0) | 0.61 | 0.09 |
| Systolic Blood Pressure | 106.0 (101.0–115.5) | 106.0 (99.0–115.0) | 106.5 (102.0–116.0) | 0.31 | 0.25 |
| Diastolic Blood Pressure | 63.0 (57.0–66.0) | 62.0 (57.0–66.0) | 64.0 (59.0–66.0) | 0.17 | 0.24 |
| Iritis – Yes* | 4 (4%) | 2 (3%) | 2 (5%) | 0.61 | 0.13 |
*Wilcoxon Rank-Sum tests or Chi-squared/Fisher’s Exact Tests between Arthritis reoccurrence 1 vs 0, alpha = 0.05
**Iritis data, n = 70 missing (36%)
SMD: standardized mean difference