Table 5.

Results of multiple regression analyses, after backward selection, with maximal %WL as the outcome measure, and expressed with standardised effect sizes (β-coefficient)

SG	Standardised β-coefficient	P	RYGBP	Standardised β-coefficient	P
WLV 3–6 months	0.51	<0.001	WLV 3–6 months	0.52	<0.001
Baseline BMI	−0.19	<0.001	Age	−0.09	0.003
Age	−0.18	<0.001	T2D	−0.08	0.005
Centre	0.16	<0.001	Baseline BMI	0.08	0.008
Ethnicity	0.09	0.015	Male sex	−0.07	0.008