Table 3: Pretreatment and posttreatment VAS, Beck Depression, Oswestry scores.

	Group I		Group II		Group III		p
	Avg. ± s.s.	Median	Avg. ± s.s.	Median	Avg. ± s.s.	Median
Rest VAS
Pretreatment	5.2 ±	5.0	5.8 ± 1.3	6.0	5.1 ± 1.2	5.0	0.308
Post-Injection	2.0 ±	2.0	3.0 ± 1.6	4.0	1.3 ± 1.1	1.0	0.056
1st week	3.8 ±	4.0	3.2 ± 1.3	4.0	1.8 ± 1.3	1.0	0.006
4th week	3.8 ±	4.0	1.9 ± 1.8	1.0	1.0 ± 0.9	1.0	0.001
3rd month	4.1 ±	4.0	1.7 ± 1.7	1.0	0.3 ± 0.5	0.0	0.000
Movement VAS
Pretreatment	7.2 ± 1.0	7.0	7.4 ± 1.0	8.0	7.1 ± 0.9	7.0	0.539
Post-Injection	3.5 ± 1.6	4.0	4.4 ± 2.2	5.0	2.6 ± 1.3	2.0	0.069
1st week	5.8 ± 0.9	6.0	4.7 ± 1.7	5.0	3.1 ± 1.6	3.0	0.003
4th week	5.7 ± 0.8	5.0	2.9 ± 2.2	2.0	1.7 ± 1.5	2.0	0.000
3rd month	6.0 ± 1.1	6.0	2.8 ± 1.9	2.0	0.9 ± 1.1	1.0	0.000
Beck Depresion
Pretreatment	27.6 ± 8.2	30.5	37.2 ± 7.5	35.0	29.9 ± 12.3	28.0	0.101
1st month	26.4 ± 7.2	29.0	34.7 ± 7.2	35.0	25.9 ± 12.6	26.0	0.133
3rd month	26.1 ± 5.0	27.0	30.0 ± 6.2	30.0	23.2 ± 12.2	22.0	0.367
OSWESTRY Score
Pretreatment	37.8 ±3.5	39.0	38.0 ± 5.7	38.0	40.6± 3.5	39.0	0.446
1st month	35.1 ± 3.8	35.5	35.1 ± 5.1	35.0	24.6 ± 5.8	24.0	0.002
3rd month	34.9 ± 4.7	36.5	31.1 ± 4.4	32ç0	18.1 ± 4.2	19.0	0.000
Kruskal-wallis (Mann-whitney u test)