Impact of Obesity and Underweight on Surgical Outcome of Lumbar Disc Herniation

Table 3

Intergroupcomparisonin terms of pain and disability improvement.

Group	Improvement	𝑧	𝑃 value
Underweight
Obese	VAS leg	0.74	0.45
	VAS lumbar	0.46	0.64
	ODI	1.4	0.88
Overweight	VAS leg	1.1	0.25
	VAS lumbar	1.7	0.08
	ODI	1.5	0.13
Normal	VAS leg	2.8	0.005*
	VAS lumbar	3.4	0.001*
	ODI	2.47	0.013*
Obese
Overweight	VAS leg	0.44	0.65
	VAS lumbar	0.25	0.72
	ODI	1.49	0.13
Normal	VAS leg	2.1	0.03*
	VAS lumbar	2.34	0.01*
	ODI	2.03	0.04*
Overweight
Normal	VAS leg	1.84	0.06
	VAS lumbar	2.62	0.09
	ODI	0.95	0.34

∗Statistically significant.