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Table 2 Relationship between selected clinical and laboratory parameters and BMI SDS, total weight loss and rate of weight loss at assessment of 268 postmenarcheal adolescent girls presenting with an eating disorder

From: Influence of premorbid BMI on clinical characteristics at presentation of adolescent girls with eating disorders

Dependent variable Independent variables Beta R2 p
Pulse frequency BMI SDS 0,326 0,188 <0,001
Weight loss −0,199 0,070 <0,001
Final rate of weight loss −0,189 0,027 p = 0,003
Systolic blood pressure BMI SDS 0,311 0,152 <0,001
Weight loss - - -
Final rate of weight loss −0,249 0,056 <0,001
Plasma potassium BMI SDS - - -
Weight loss - - -
Final rate of weight loss - - -
Plasma phosphate BMI SDS - - -
Weight loss −0,141 0,020 p = 0,030
Final rate of weight loss - - -
Serum free triodothyronine BMI SDS 0,191 0,033 <0,001
Weight loss −0,347 0,267 <0,001
Final rate of weight loss −0,315 0,107 <0,001
Serum insulin-like growth factor 1 BMI SDS 0,260 0,073 <0,001
Weight loss −0,245 0,048 <0,001
Final rate of weight loss −0,333 0,275 <0,001
Serum luteinizing hormone BMI SDS 0,210 0,086 p = 0,003
Weight loss - - -
Final rate of weight loss −0,227 0,040 p = 0,001
  1. The dependent variables were entered against BMI SDS, weight loss and the rate of weight loss immediately preceding assessment in a linear stepwise regression analysis
  2. BMI SDS BMI standard deviation score