Table 7.

Intervertebral disc vacuum phenomenon and discal STIR signal hyperintensity (section A). Additional Modic type 2 and 3 changes (Section B).

A		Intervertebral Disc Appearance
		Vacuum Phenomenon				STIR Signal Hyperintensity
		Absent	Present	Total		Absent	Present	Total
Modic type 1	n	44	15	59		47	12	59
	%	74.6%	25.4%	100%		79.7%	20.3%	100.0%
Early spondylodiscitis	n	21	1	22		4	18	22
	%	95.5%	4.5%	100%		18.2%	81.8%	100.0%
Advanced spondylodiscitis	n	35	0	35		4	31	35
	%	100.0%	0.0%	100%		11.4%	88.6%	100.0%
	n	100	16	116		55	61	116
	%	86.2%	13.8%	100%		47.4%	52.6%	100.0%
B		Vertebral Endplate
		Modic type 2				Modic type 3
		Absent	Present	Total		Absent	Present	Total
Modic type 1	n	39	20	59		41	18	59
	%	66.1%	33.9%	100%		69.5	30.5	100%
Early spondylodiscitis	n	22	0	22		22	0	22
	%	100.0%	0.0%	100%		100%	0.0%	100%
Advanced spondylodiscitis	n	34	1	35		35	0	35
	%	97.1%	2.9%	100%		100%	0.0%	100%
	n	95	21	116		98	18	116
	%	81.9%	18.1%	100%		84.5%	15.5%	100%