Table. 2.

Demographic characteristics of the patients (n = 72)

Variable IVC-LSS (n = 35) LSS (n = 37) P value
Age (yr) 60.9 ± 7.9 56.4 ± 8.4 0.024*
BMI (kg/m2) 33.8 ± 4.8 30.9 ± 4.5 0.012*
Sex
Female 29 (82.9) 19 (51.4) 0.006**
Male 6 (17.1) 18 (48.6)
Smoking
Never 18 (51.4) 16 (43.2) 0.547
Former 12 (34.3) 12 (32.4)
Current 5 (14.3) 9 (24.3)
Diabetes mellitus 15 (42.9) 2 (5.4) 0.001**
Hypertension 23 (65.7) 10 (27.0) 0.002**
Cardiovascular disease 13 (37.1) 5 (13.5) 0.029*
Affected leg side
Unilateral 24 (68.6) 23 (62.2) 0.568
Bilateral 11 (31.4) 14 (37.8)
Positive history of falls 24 (68.6) 8 (21.6) 0.001**
Duration of symptoms (mo) 48 (18-240) 36 (3-216) 0.022*

Values are presented as mean ± standard deviation, number (%), or median (minimum-maximum).

LSS: lumbar spinal stenosis, IVC-LSS: intermitant vascular claudication with lumbar spinal stenosis, BMI: body mass index.

*P < 0.05, **P < 0.01.

Korean J Pain 2021;34:471~478 https://doi.org/10.3344/kjp.2021.34.4.471
© Korean J Pain