Table 3 Baseline characteristics of responders vs non-responders (n = 105)
3 weeks (n = 104) | 9 weeks (n = 94) | |||||
|---|---|---|---|---|---|---|
Characteristics | Responder (n = 63) | Non-responder (n = 41) | P | Responders (n = 43) | Non-Responder (n = 51) | P |
Age [years] [mean (SD)] | 64.4(10.6) | 61.8(11.9) | 0.258 | 64.1(11) | 64.5(11) | 0.890 |
Female [n (%)] | 42 (67%) | 19 (46%) | 0.045 | 31 (72%) | 28 (55%) | 0.093 |
BMI [mean(SD)] | 31.3(5.4) | 30.0(5.8) | 0.265 | 30.9(4.8) | 30.4(5.8) | 0.658 |
Previous injection [n (%)] | 33 (52%) | 26 (63%) | 0.314 | 20 (47%) | 36 (71%) | 0.021 |
Baseline Pain [mean (SD)] | 256(87) | 279(107) | 0.240 | 243(91) | 282(99) | 0.057 |
US effusion depth [mm] [mean (SD)] | 3.57(2.1) | 4.07(2.6) | 0.280 | 3.29(1.9) | 4.14(2.59) | 0.080 |
PD grade [median (IQR)] | 0(0,1) | 0(0,1) | 0.790 | 0(0,1) | 0(0,1) | 0.376 |
Osteophyte grade [median (IQR)] | 2(1,3) | 2(1,3) | 0.870 | 2(1,2) | 2(1,3) | 0.540 |
JSN grade [median (IQR)] | 2(1,2) | 2(1,2) | 0.796 | 2(1,2) | 2(1,2) | 0.461 |
hsCRP [mg/L] [median (IQR)] | 3.5(1.5,6.8) | 4.6(2.2,8.6) | 0.147 | 3.0(1.5,5.7) | 4.5(1.7,8.6) | 0.857 |
Positive US arthrogram [n (%)] | 42 (67%) | 30 (73%) | 0.389 | 27 (64%) | 38 (75%) | 0.365 |