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

Table 2

Mean Pre- and postoperative (last visit) pain and disability.

Group	Preoperative	Last Visit	𝑧	𝑃 value	Mean Improvement
Underweight
VAS leg	8.3±1.22	2.3±1.4	3.2	0.001	5.7±2.2
VAS lumbar	7.1±1.3	2.6±1.9	3.24	0.001	5.2±1.7
ODI	63.1±1.1	25.5±1.9	3.19	0.001	37.5±1.5
Normal Weight
VAS leg	8.4±1.4	1.5±0.7	3.44	0.001	7.9±1.1
VAS lumbar	8.2±1.4	1.3±0.9	3.45	0.001	7.5±1.3
ODI	67.6±1.5	12.3±1.3	3.41	0.001	55.3±1.5
Over Weight
VAS leg	8.1±1.7	1.4±2.2	5.1	0.001	6.4±2.4
VAS lumbar	7.5±1.7	1.6±2.1	5.1	0.001	5.8±2.6
ODI	60.5±1.2	16.8±2.2	5	0.001	49.1±1.8
Obese
VAS leg	8.0±1.6	2.0±2.7	3.9	0.001	6.1±2.7
VAS lumbar	7.0±2.6	1.9±2.3	3.8	0.001	5.1±3.2
ODI	53.9±1.9	16.3±1.9	4	0.001	38.7±2.5