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Table 1 Descriptive statistics of KLK5 expression in breast tissues

From: Down-regulation of kallikrein-related peptidase 5 (KLK5) expression in breast cancer patients: a biomarker for the differential diagnosis of breast lesions

    Quartiles
Variables Mean ± SE a Range 10 25 50 (median) 75 90
Cancer (N = 69)*        
KLK5 (c/Kc)b (1.67 ± 0.48) × 103 0.035-19.6 × 103 0.035 0.013 41.5 1129.3 5937.9
Non Cancer (N = 33)        
KLK5 (c/Kc)b (71.1 ± 44.7) × 103 0.035-1380.4 × 103 180.6 1264.3 4374.1 12320.5 74702.3
  1. * Ductal histotype
  2. a Standard error
  3. b KLK5 mRNA copies/103 HPRT1 mRNA copies normalized to the calibrator (BT20 breast cancer cell line)