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Table 3 Relationships between serum CTSB and CTSD concentrations and clinicopathological characteristics of patients with nasopharyngeal carcinoma

From: Diagnostic values of serum cathepsin B and D in patients with nasopharyngeal carcinoma

Variables

Number

CTSB (mg/L)

P value

CTSD (mg/L)

p value

  

Median (min–max)

 

Median (min–max)

 

Sex

 Men

52

12.4 (4.4–25.6)

0.823

16.6 (2–42.3)

0.153

 Women

28

12.0 (8.0–19.0)

 

2.7 (4.6–29.1)

 

Age, years

  ≤ 45

42

11.9 (4.4–25.6)

0.855

15.3 (3.8–42.3)

0.086

  > 45

38

12.5 (7.8–19.0)

 

14.4 (2–28.7)

 

Smoking

 Yes

55

12.4 (6.5–25.6)

0.583

14.7 (3.8–42.3)

0.519

 No

25

12.5 (4.4–19.0)

 

15.5 (2–29.6)

 

Alcohol intake

 Yes

57

12.5 (5.0–25.6)

0.675

14.4 (4.2–42.3)

0.985

 No

23

12.4 (4.4–17.5)

 

15.3 (2–33.4)

 

TNM grade

 I + II

22

9.2 (4.4–17.3)

0.0001

8.7 (2.0–24.7)

0.002

 III + IV

58

13.1 (8.9–25.6)

 

15.7 (2.8–42.60)

 

EBV/VCA-IgA

  ≤ 1:160

44

11.9 (6.5–25.6)

0.693

14.9 (4.2–33.4)

0.441

  ≥ 1:320

36

12.6 (4.4–19.0)

 

12.6 (2.0–42.6)

 
  1. Notes: CTSB cathepsin B, CTSD cathepsin D, TNM tumor node metastasis, EBV Epstein-Barr virus, VCA-IgA viral capsid antigen IgA