Table 5.

Descriptive data for MRI technique used in the included articles

	Field strength	Sequence 1	Sequence 2	Sequence 3	Sequence 4	Sequence 5	Sequence 6
Sacroiliac joint
Bollow et al. (1995) [10]	1.5 T	Semi axial T1w SE	Dynamic T2*w GRE, FLASH,	Dynamic T2*w GRE, FLASH, Gd
Klauser et al. (2004) [11]	1.5 T	Semi axial T1w, SE	Semi axial T2 w TSE	Semi axial T1w, SE FS	Semi cor. T1w, SE	Semi cor. TIRM	Semi axial + Semi cor. T1w, SE, FS, Gd
Brandt et al. (2007) [12]	a1.5 T	NR
Weber et al. (2010) [13]	a1.5 T	Semi cor. T1 w, SE	Semi cor. STIR
Wick et al. (2010) [14]	1.5 T	Semi cor. T1 w, SE	Semi cor. TIRM	Semi cor. T2w, MEDIC FS	Semi cor. + semi axial T1w, SE, FS	Semi axial T1w, SE, FS, Gd	Semi axial T1w, SE, Gd
Spine
Kim et al. (2008) [15]	1.5 T	Sagittal T1w SE	Sagittal T2w FSE
Weber et al. (2009) [16]	1.5 T	Sagittal turbo STIR
Bennett et al. (2009) [17]	a1.5 T	Sagittal T1, SE	Sagittal STIR
Bennett et al. (2009) [18]	a1.5T	Sagittal T1w, SE	Sagittal STIR

^aInformation on field strength not available in the articles. Data obtained by personal contact with authors. T, Tesla; w, weighted; SE, spin-echo; GRE, gradient-echo; FLASH, fast low-angle shot; Semi cor, semicoronal; Gd, gadolinium; TSE, turbo spin-echo; FS, fat saturated; TRIM, turbo inversion recovery magnitude; NR, not reported; STIR, short tau inversion recovery; MEDIC, multi echo data image combination; PD, proton density; FSE, fast spin echo.