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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)