Table 4. Mean values of each of the four measures of compression for each of the combinations of qualifier term and description used in radiological reports.

Qualifier Term	Main Descriptive Term	N	Mean MCC	Mean MSCC	Mean SCOR	Mean CR
Greater	Compromise	1	13.37	11.86	63.10	0.40
Just	Abut	8	16.05	5.61	57.58	0.51
	Encroach	4	17.12	9.85	60.46	0.47
Lesser Degree	Compression	2	36.95	21.71	57.98	0.28
Mild	Compression	20	38.30	24.44	62.53	0.40
	Distortion	1	40.78	29.77	63.59	0.49
	Flatten	2	19.17	24.01	66.16	0.42
	Indent	22	18.47	15.94	59.64	0.44
Mild-Moderate	Compression	1	57.73	28.70	59.28	0.25
Minimal	Indent	2	17.07	13.72	64.79	0.39
Minor	Mould	2	21.29	3.78	59.74	0.51
Moderate	Compression	2	46.02	40.64	67.88	0.40
Moderate-Marked	Compression	1	43.68	25.76	75.86	0.39
None	Abut	20	21.54	11.68	59.26	0.47
	Compression	14	41.07	26.81	66.57	0.32
	Contact	1	20.00	19.42	63.18	0.43
	Displace	1	23.56	13.82	64.40	0.38
	Distortion	1	47.91	17.43	50.70	0.27
	Encroach	1	49.51	12.61	57.77	0.26
	Flatten	9	23.98	18.54	64.81	0.41
	Indent	16	16.40	16.47	58.43	0.42
	Mould	4	16.85	13.56	64.49	0.46
	Touch	10	19.78	11.13	60.12	0.46
Slight	Compression	2	32.00	28.34	57.32	0.55
	Distortion	1	7.88	12.28	69.09	0.33

MCC = Maximum Canal Compromise, MSCC = Maximum Spinal Cord Compression, SCOR = Spinal Cord Occupation Ratio, CR = Compression Ratio