Table 2.

Basic demographics of controls and patients.

	Controls (N = 18)	Patients (N = 72)	P
Sex (female) [%]	44.4	36.1	0.59
Age (years) [median (IQR)]	65.5 (57.5–67.3)	56.0 (47.0–65.8)	0.03
BMI (kg/m2) [median (IQR)]	22.8 (20.9–25.8)	24.7 (22.7–28.1)	0.08
mJOA total score (max. 18) [median (IQR)]	–	16 (14–18)	na
Multisegmental stenosis [%]	–	68.1	na
Number of stenotic segments [median (IQR)]	–	2 (1–3)	na

mJOA, modified Japanese Orthopedics Association score; na, not applicable; IQR, interquartile range.