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

Table 2 Multiple linear regression analysis for serum potassium level at admission among patients with anorexia nervosa

Characteristic	p value	Standard beta	Regression coefficient	Standard error	Lower 95% confidence limit	Upper 95% confidence limit
Binge–purge subtype	7.450 × 10⁻⁰⁶	− 0.493	− 0.908	0.190	− 1.286	− 0.531
Albumin	0.008	0.263	0.353	0.129	0.097	0.610
Body mass index	0.011	0.267	0.074	0.029	0.017	0.131
Blood urea nitrogen/creatinine ratio	0.100	0.167	0.008	0.005	− 0.002	0.018
Age	0.637	− 0.050	− 0.004	0.009	− 0.021	0.013
Sex	0.931	0.008	0.035	0.404	− 0.768	0.839

Items with the bold formatting are statistically significant factors for serum potassium level at admission.

ISSN: 2050-2974