Hypokalemia in patients with anorexia nervosa during refeeding is associated with binge–purge behavior, lower body mass index, and hypoalbuminemia

Table 3 Multiple linear regression analysis for nadir potassium level during refeeding

Characteristics	p value	Standard beta	Regression coefficient	Standard error	Lower 95% confidence limit	Upper 95% confidence level
Binge–purge subtype	0.021	− 0.291	− 0.449	0.189	− 0.828	− 0.070
Caloric intake	0.033	0.250	0.008	0.004	0.001	0.015
Albumin	0.040	0.233	0.253	0.120	0.012	0.493
Body mass index	0.070	0.231	0.073	0.039	− 0.006	0.151
Potassium administration	0.124	− 0.187	− 0.136	0.087	− 0.311	0.039
Weight gain	0.130	− 0.174	− 0.019	0.012	− 0.043	0.006
Age	0.635	− 0.058	− 0.004	0.008	− 0.021	0.013
Blood urea nitrogen/creatinine ratio	0.673	0.053	0.002	0.005	− 0.007	0.011
Sex	0.683	0.048	0.198	0.483	− 0.768	1.165

Items with the bold formatting are statistically significant factors for a nadir potassium level

ISSN: 2050-2974