Table 5 Influence of IP baseline characteristics on ultrasound parameters in men and women
From: Influence of Inflammatory Polyarthritis on Quantitative Heel Ultrasound Measurements
Broadband attenuation | Speed of sound | |
|---|---|---|
(dB/MHz) | (m/s) | |
βcoeff (95% Cl)a | βcoeff (95% Cl)a | |
Symptom duration1 (years) | 0.3 (−0.7, 1.2) | −0.7 (−3.2, 1.7) |
Rheumatoid Factor+ | ||
no | Referent | Referent |
yes | −4.0 (−9.8, 1.9) | −4.9 (−19.7, 10.0) |
Tertiles of swollen joint count | ||
low | Referent | Referentb |
mid | −4.1 (−10.8, 2.7) | −6.3 (−23.2, 10.7) |
high | −6.0 (−12.2, 0.1) | −20.1 (−35.6, -4.6)* |
Tertiles of tender joint count | ||
low | Referent | Referent |
mid | 2.4 (−4.3, 9.1) | −4.3 (−21.1, 12.6) |
high | −1.9 (−8.5, 4.7) | −13.3 (−29.9, 3.3) |
Tertiles of both swollen & tender joint count | ||
low | Referent | Referentb |
mid | −6.4 (−12.7, -0.2)* | −13.7 (−29.6, 2.2) |
high | −5.3 (−12.0, 1.4) | −16.1 (−33.1, 0.9) |
Larsen score2 | 0.1 (−0.2, 0.3) | −0.1 (−1.0, 0.7) |
Erosions2 | ||
no | Referent | Referent |
yes | 0.9 (−8.3, 10.0) | 8.2 (−23.3, 39.7) |
Satisfied ARA criteria (4/7 definition) | ||
no | Referent | Referent |
yes | −7.8 (−13.4, -2.3)* | −18.9 (−33.1, -4.8)* |
Satisfied ARA criteria (tree definition) | ||
no | Referent | Referent |
yes | −8.5 (−13.7, -3.2)* | −18.7 (−32.1, -5.2)* |
HAQ score | −0.6 (−5.4, 4.3) | −2.1 (−14.5, 10.3) |
Steroids ≥3 months | ||
no | Referent | Referent |
yes | 7.3 (−0.7, 15.3) | 9.7 (−11.1, 30.6) |