Table 3:
Univariate Analysis – Outcome Variable: HOOS/KOOS pain score at 1 year, Linear Regression; n=115
| Univariate variable, level | Estimate (standard error) | p-value | |
|---|---|---|---|
| Age | 0.26 (0.11) | 0.02 | |
| Sex, | Female vs. Male | −6.79 (3.49) | 0.06 |
| Race, | Black vs. White | −11.96 (4.35) | 0.007 |
| Other vs. White | −6.16 (4.57) | 0.18 | |
| Ethnicity, Hispanic or Latino vs Not Hispanic nor Latino | −10.35 (5.15) | 0.04 | |
| BMI | −0.47 (0.18) | 0.01 | |
| RA Criteria, | criteria 1987 vs Meets BOTH criteria | 1.26 (4.02) | 0.76 |
| criteria 2010 vs Meets BOTH criteria | −1.49 (3.17) | 0.64 | |
| does not meet criteria vs. Meets BOTH criteria | 4.92 (3.62) | 0.18 | |
| Steroids, No vs. Yes | −1.56 (2.58) | 0.55 | |
| Biologic, No vs. Yes | 0.73 (2.54) | 0.77 | |
| Flare, No flare vs Yes flare | 6.16 (2.58) | 0.02 | |
| DAS28-ESR at baseline | −2.94 (1.02) | 0.005 | |
| CDAI at baseline | −0.19 (0.12) | 0.12 | |
| MDHAQ at baseline | −1.51 (0.81) | 0.07 | |
| RAPID3 at baseline | −0.43 (0.23) | 0.07 | |
| RADAI at baseline | −0.29 (0.15) | 0.06 | |
| MDTJC at baseline | −0.50 (0.27) | 0.07 | |
| HOOS/KOOS pain at baseline | 0.19 (0.08) | 0.02 | |
| HOOS/KOOS function at baseline | 0.15 (0.06) | 0.02 | |
HOOS/KOOS = hip disability/knee injury osteoarthritis outcome score; BMI = body mass index; 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