Table 7.

Overall treatment results of the entire study population grouped by complications regardless of diagnosis, patient age and pre-treatment level of disability

	Surgical				Non-surgical
	N	Deterioration	No change	Improvement	N	Deterioration	No change	Improvement
None	112	8 (9.4%)	27 (31.8%)	50 (58.8%)	330	47(17.5%)	184 (68.7%)	37 (13.8%)
NLT	39	2 (7.4%)	13 (48.1%)	12 (44.4%)	39	6 (15.4%)	26 (66.7%)	2 (17.9%)
LT	10	1 (12.5%)	4 (50%)	3 (37.5%)	2	1 (50%)	1 (50%)	0

For the definitions of improvement, no change and deterioration please see text.