Table 2. Mean DSR values.

	LDS (n = 10)	MFS (n = 20)	Control (n = 20)	CI*
L1	0.56±0.08	0.52±0.12	0.48±0.06	NS
L2	0.53±0.09	0.49±0.12	0.45±0.06	b, 0.0004−0.17
L3	0.48±0.08	0.45±0.09	0.42±0.06	NS
L4	0.45±0.07	0.47±0.11	0.44±0.02	NS
L5	0.53±0.10	0.56±0.15	0.43±0.08	c, 0.04−0.22
S1	0.60±0.11	0.88±0.54	0.40±0.07	c, 0.21−0.74

DSR, dural sac ratio; LDS, Loeys-Dietz syndrome; MFS, Marfan syndrome; DE, dural ectasia; NS, not significant; a, difference between LDS and MFS; b, difference between LDS and control; c, difference between MFS and control.

CI*, this column shows the confidence interval for significant differences.