Table 1.

Patients baseline characteristics and sites of pain

Variables	Mean (SD)	Min-Max	N (%)
Duration of LBP (years)	2.62 (1.39)	1–3
Mean pain intensity (NRS)	8.54 (1.14)	6–10
Disability
Oswestry Disability Index % (SD)	37.5 (8.4)	25–56
Analgesic use
PCM+NSAIDs			22 (84.6)
PCM			2 ()7.7
Opioids			2 (7.7)
Pain site
Right SIJ			7 (26.9)
Left SIJ			19 (73.1)

NRS, Numeric rating scale; LBP, low back pain; ODI, oswestry disability index; PCM, paracetamol