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Table 1 Cross-tabulations for 12 months and above, 18 months and above and 24 months and above follow-up groups with p-values from Fisher's exact tests

From: Idiopathic intracranial hypertension: the association between weight loss and the requirement for systemic treatment

Length of follow-up Patient's BMI change comparing initial to most recent review Patients on treatment at most recent review Patients not on treatment at most recent review  
12 months and above     
  BMI increase 12 5  
  BMI decrease 9 10 n = 36
   p = 0.14   
18 months and above     
  BMI increase 8 4  
  BMI decrease 4 8 n = 24
   p = 0.11   
24 months and above     
  BMI increase 8 4  
  BMI decrease 1 6 n = 19
   p = 0.04