. Author manuscript; available in PMC: 2016 Jan 31.

Published in final edited form as: Clin Radiol. 2014 Nov 27;70(2):146–152. doi: 10.1016/j.crad.2014.10.009

Table 1.

L1–L5 (average) anterior-posterior (AP) dural sac diameter (DSD) and transverse (TR) DSD by gender for initial controls (reader 1).

	Female (n = 26)	Male (n = 27)	p-Value
L1–L5 AP-DSD (cm)	1.38 + 0.15	1.35 + 0.12	0.43
L1–L5 TR-DSD (cm)	1.86 + 0.20	1.89 + 0.14	0.40

Data are means + standard deviation.