Table 1.

Criteria for inclusion or exclusion.

Inclusion in the study	Exclusion from the study
Age range: 40–60 years old	Age range: <40 years old or age >60 years old
Pain lasting longer than 7 weeks (chronic)	Acute pain
VAS1 ≥ 25 mm of 100 mm	VAS1 < 25 mm of 100 mm
VAS2 ≥ 25 mm of 100 mm	VAS2 < 25 mm of 100 mm
Lack of excluding factors mentioned in the right column of the table	Injection of local anesthetic  Patients after surgical procedures around spine or in the abdominal area  Neurological signs present  Compression of spinal nerve root confirmed by specific imaging techniques: computer tomography, myelography, or magnetic resonance imaging Other diagnostic techniques, for example, electromyography, venography  Diagnosis of (i) metastasis, (ii) vertebral fractures, (iii) spondylolisthesis, (iv) ankylosing spondylitis, (v) increased temperature (fever), (vi) pregnancy, (vii) inflammatory and acute ailments
	Nonsteroid anti-inflammatory therapy during the last 3 months or strong analgesic therapy (opioid and stronger)
	Allergy to ingredients of nonsteroid anti-inflammatory drugs
Informed consent of the patient to take part in the study	Lack of informed consent of the patient to take part in the study