Does therapist’s attitude affect clinical outcome of lumbar facet joint injections?

Table 1 Demographics of experimental group and control group

	EG	CG
Gender
Male	40% (8)	50% (10)
Female	60% (12)	50% (10)
Age
Mean ± SD	58.6 ± 15.4	57.5 ± 14.5
Range	29-83	30-84

EG: Experimental group; CG: Control group.

Table 2 Frequency of procedures over a period of 6 mo

No. procedures in 6 mo	EG	CG
1	5	2
2	2	2
3	4	5
4	4	7
5	4	4
Total procedures in 6 mo	57	70
Average	2.85 ± 1.1	3.5 ± 2.1

EG: Experimental group; CG: Control group.

Table 3 Comparison of pain improvement based on a verbal numeric scale

Pain score	EG	CG
Median (range)
Baseline	9 (8-10)	9 (4-10)
1 wk	3 (1-5)	6.5 (3-8)
1 mo	3 (1-5)	5 (3-8)
3 mo	4 (1-6)	4.5 (1-8)
6 mo	5 (1-10)	4.5 (1-9)

EG: Experimental group; CG: Control group.