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Table 1 Patient characteristics

From: Joint symptoms associated with anastrozole and letrozole in patients with breast cancer: a retrospective comparative study

  Anastrozole Letrozole p -value
Patients (n) 70 71  
Median age, years (range) 64 (51–84) 64 (49–88) 0.579a
Stage
 0 1 0  
 I 20 15  
 IIA 25 21  
 IIB 6 14  
 IIIA 5 8  
 IIIB 5 4  
 IIIC 2 3  
 IV 1 1  
 Recurrence 4 4  
 Unknown 1 1  
History of hormone therapy
 Yes 10 24 < 0.01b
 No 60 47  
History of chemotherapy
 Yes 27 41 0.029 b
 No 43 30  
  1. a Mann–Whitney U test
  2. bFisher’s exact test