Table 5:
Univariate Analysis – Outcome variable: HOOS/KOOS function score at 1 year, Linear Regression; n=118
| Univariate variable, Level | Estimate (standard error) | p-value | |
|---|---|---|---|
| Age | 0.12 (0.14) | 0.38 | |
| Sex, | Female vs. Male | −8.01 (4.41) | 0.07 |
| Race, | Black vs. White | −6.05 (5.80) | 0.30 |
| Other vs. White | −2.33 (6.08) | 0.70 | |
| Ethnicity, Hispanic or Latino vs Not Hispanic nor Latino | −7.82 (6.73) | 0.25 | |
| BMI | −0.65 (0.23) | 0.01 | |
| RA Criteria, | criteria 1987 vs Meets BOTH criteria | 4.02 (4.54) | 0.38 |
| criteria 2010 vs Meets BOTH criteria | −1.84 (3.66) | 0.62 | |
| Does not meet criteria vs. Meets BOTH criteria | 4.47 (4.11) | 0.28 | |
| Steroids, No vs. Yes | 2.36 (3.30) | 0.48 | |
| Biologic, No vs. Yes | −1.32 (3.23) | 0.68 | |
| Flare, No flare vs Yes flare | 5.80(3.32) | 0.08 | |
| DAS28-ESR at baseline | −4.96 (1.11) | 0.0001 | |
| CDAI at baseline | −0.27 (0.16) | 0.08 | |
| MDHAQ at baseline | −3.74 (1.00) | 0.0003 | |
| RAPID3 at baseline | −0.84 (0.29) | 0.004 | |
| RADAI at baseline | −0.25 (0.20) | 0.21 | |
| MDJTC at baseline | −0.72 (0.34) | 0.035 | |
| HOOS/KOOS pain at baseline | 0.16 (0.09) | 0.08 | |
| HOOS/KOOS function at baseline | 0.25 (0.08) | 0.003 | |
HOOS/KOOS = hip disability/knee injury osteoarthritis outcome score; BMI = hip disability/knee injury osteoarthritis outcome score; RA = rheumatoid arthritis; DAS28-ESR = disease activity score 28-erythrocyte sedimentation rate; CDAI = clinical disease activity index; MDHAQ = multi-dimensional health assessment questionnaire; RAPID3 = routine assessment of patient index data; RADAI = RA disease activity index; MDTJC = MD tender joint count