Table 3.

SBRs: Comparison of all healthy women with all BN women and the subgroup of purging BN women

	Women with lifetime BN (n = 13)	All healthy women (n = 24)	Women with purging BN (n = 9)	P*	P**
Midbrain	2.23 ± 0.22	2.06 ± 0.30	2.26 ± 0.19	0.08	0.03
Thalamus	1.45 ± 0.23	1.42 ± 0.28	1.50 ± 0.25	0.73	0.45

* Women with lifetime BN vs. all healthy women. t-test, correction for dependency within twin pairs

** Women with lifetime purging BN vs. all healthy subjects. t-test, correction for dependency within twin pairs