Effect of Nonsurgical Spinal Decompression on Intensity of Pain and Herniated Disc Volume in Subacute Lumbar Herniated Disc

Table 2

Comparison of demographic and clinical variables between the decompression and nondecompression groups.

	Decompression group (n = 26)	Nondecompression group (n = 17)	value
Baseline HI	348.6 ± 183.1	412.4 ± 206.8	0.295
Post HI	232.1 ± 130.3	369.1 ± 186.1	0.007
Change in HI (%)	−27.6 ± 27.5	−7.1 ± 24.9	0.017
≥30% of reduction, n (%)	11 (42.3)	3 (17.6)	0.086
≤30% of reduction, n (%)	15 (57.7)	14 (82.4)
≥50% of reduction, n (%)	7 (26.9)	0 (0)	0.031
≤50% of reduction, n (%)	19 (73.1)	17 (100)

Data are reported as the mean ± standard deviation or number of patients. . HI, herniation index.