Table 4.

Medication usage (NSAID and opioid)

Area	Usage	No. of cases	Percent
Lumbar	Less	23	63.9
	Equal	12	33.3
	More	1	2.8
	Sum	36	100.0
	Missing	7
SIJ	Less	59	64.1
	Equal	33	35.9
	More	0	0.0
	Sum	92	100.0
	Missing	17

Note: All groups of subjects required less medication for pain management in the follow-up period.

Abbreviations: NSAID, nonsteroidal anti-inflammatory drug; SIJ, sacroiliac joint.