Table 5 Comparison of three MR Relaxometry technology parameters of sacroiliac joint among subgroups of the Activity group
Moderate group | High disease activity group | Very high disease activity group | |
|---|---|---|---|
T1-mapping(ms) sacral | 453.05(45.54, 05.87) | 511.20(327.19, 013.62) | 734.93(558.17, 221.37) |
T2-mapping(ms) sacral | 105.58(91.67, 17.26) | 106.28(91.08, 18.50) | 112.10(88.43, 37.87) |
T2*-mapping(ms) sacral | 8.00(6.26, 0.97) | 8.15(6.53, 1.07) | 8.53(6.67, 1.43) |
T1-mapping(ms) iliac | 365.23(330.36, 84.84) | 616.15(373.00, 47.78) | 848.83(528.93, 134.23) |
T2-mapping(ms) iliac | 103.90(88.82, 09.44) | 100.20(87.77, 10.34) | 105.97(90.77, 18.87) |
T2*-mapping(ms) iliac | 6.78(6.29, 0.72) | 7.83(6.67, 0.61) | 8.77(7.17, 0.83) |