Joint
|
Reader
|
Volume of MSU crystallization (cm3)
|
Intraclass correlation coefficient
|
Correlation with serum uric acid#
|
---|
Mean ± SD
|
95% CI
|
ICC
|
95% CI
|
p
|
r
|
p
|
---|
Left sacroiliac joint (n = 57)
|
Reader 1
|
0.900 ± 1.351
|
0.541–1.258
|
0.999
|
0.998-0.999
|
<0.001
|
NA
|
NA
|
Reader 2
|
0.904 ± 1.340
|
0.549–1.260
|
NA
|
NA
|
Average
|
0.902 ± 1.345
|
0.545–1.259
|
NA
|
NA
|
NA
|
0.727
|
<0.001
|
Right sacroiliac joint (n = 54)
|
Reader 1
|
1.078 ± 1.878
|
0.578–1.619
|
1.000
|
0.999-1.000
|
<0.001
|
NA
|
NA
|
Reader 2
|
1.071 ± 1.878
|
0.5700–1.612
|
NA
|
NA
|
Average
|
1.074 ± 1.878
|
0.574–1.616
|
NA
|
NA
|
NA
|
0.740
|
<0.001
|
Pelvis (n = 154)
|
Reader 1
|
5.237 ± 8.942
|
3.813–6.660
|
0.999
|
0.999-0.999
|
<0.001
|
NA
|
NA
|
Reader 2
|
5.307 ± 9.150
|
3.850–6.764
|
NA
|
NA
|
Average
|
5.272 ± 9.044
|
3.832–6.712
|
NA
|
NA
|
NA
|
0.896
|
<0.001
|
- Values are given as the mean ± standard deviation (mean ± SD)
-
MSU monosodium urate, ICC intraclass correlation coefficient values, 95% CI 95% confidence interval, r, Spearman rank correlation coefficient, NA not available
-
#Spearman correlation analysis between serum uric acid and the average volume of MSU crystals