Table 6.

Linear mixed effects results: Effect of surgery on self-rated FrSBe scores when accounting for depression symptom severity

Analysis	t (df)	p	Beta	95% CI
				Lower	Upper
Self FrSBe Total Ratings
Main Effect of Surgery	−3.14 (70)	.002	−23.90	−39.08	−8.71
Main Effect of HDRS	0.92 (70)	.360	0.23	−0.27	0.73
Interaction of Surgery by HDRS	2.77 (70)	.007	0.82	0.23	1.41

Note. FrSBe = Frontal Systems Behavior Scale; HDRS = Hamilton Depression Rating Scale; CI = Confidence Interval.