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Table 2 Comparison of angiomyolipoma characteristics in patients with sporadic and TSC-LAM

From: Natural history of angiomyolipoma in lymphangioleiomyomatosis: implications for screening and surveillance

  Sporadic-LAM TSC-LAM p value
Total number of patients 107 15  
Patients with angiomyolipoma # (%) 50 100 <0.0001
Mean age at renal presentation * (years) 39 38 NS
Mean tumour size at presentation * (mm) 29 61 0.006
Bilateral tumours # (% ) 40 84 0.004
Any renal tumour symptoms # (% ) 49 40 NS
Nephrectomy # (% ) 21 13 NS
  1. *p value from t test. NS = not significant.
  2. #p value from chi squared test.
  3. percentage of those with angiomyolipoma.