Table 3.

Comparison of normalized thickness changes of abdominal muscles in participants with (N = 20) and without (N = 20) nonspecific chronic low back pain

Group	IO (%)	EO (%)	RA (%)	TrA (%)
With NSCLBP	6.35 ± 3.22	5.23 ± 4.20	5.11 ± 1.75	7.68 ± 7.25
Without NSCLBP	6.25 ± 3.66	10.61 ± 6.40	3.29 ± 2.22	10.04 ± 4.28
p value	0.928	0.003*	0.006*	0.218

IO internal oblique, EO external oblique, RA rectus abdominis, TrA transverse abdominis, NSCLBP nonspecific chronic low back pain

*Statistically significant difference