The Role of Thoracic Medial Branch Blocks in Managing Chronic Mid and Upper Back Pain: A Randomized, Double-Blind, Active-Control Trial with a 2-Year Followup

Table 4

Employment characteristics.

Employment status	Group I			Group II
	Baseline	12 months	24 months	Baseline	12 months	24 months
Employed part-time	5	5	2	1	3	3
Employed full-time	10	14	16	14	16	16
Unemployed	4	0	0	3	0	0
Total employed	15	19	18	15	19	19
Eligible for employment	19	19	18	18	19	19
Housewife	2	2	1	3	3	3
Disabled	23	23	24	27	25	26
Over 65 years of age	6	6	7	2	3	2
Total number of patients	50	50	50	50	50	50