Table 4: Differences in concentrations of biomarkers between pairs of 106-fold diluted urine mixture samples for healthy volunteers, patients with bladder cancer, and patients with prostate cancer.

Peak#

Compound

Healthy volunteers

Bladder cancer (post-antibiotic pro.)

Bladder cancer

Prostate cancer (endocrine therapy)

Prostate cancer

H1–3

H4–6

post-TUR K:Um&

pre-TUR K:Um

post-TUR N:Um

pre-TUR N:Um§

post-RP Pe:Um

pre-RP Pe:Um

post-RP P:Um*

pre-RP P:Um**

Concentration (ppq) in the 106-fold diluted urine mixture sample for behavioural assay

 

 

 

 

81

Phenol

49

30

1.0

16

3.3

6.1

25

95

22

30

101

Dimethyl succinate

0.59

0.54

0.011

0.32

0.20

0.08

0.59

2.6

0.84

1.3

104

Acetophenone

0.86

0.68

0.014

0.13

0.11

0.05

1.1

3.0

1.2

1.0

109

2-Phenyl-2-propanol

2.0

2.5

0.041

0.57

0.21

0.09

2.7

8.3

3.6

3.2

119

3,5,5-Trimethyl-2-cyclohexenone

0.14

0.09

0.70

0.02

0.03

0.00

5.1

13

8.9

5.8

123

Dimethyl glutarate

3.8

3.2

0.006

0.51

0.43

0.17

2.0

10

3.9

5.4

129

2,6-Xylidine

                          not determined due to a significant desorption-resistant amount

152

Piperitone

0.83

3.4

0.000

0.24

0.029

0.011

0.62

1.2

0.14

0.92

155

2-Hydroxy-2-methylprophenone

2.0

1.3

0.004

0.29

0.28

0.13

2.8

8.0

7.7

4.0

165

2,6-di(propan-2-yl)phenol

0.016

0.014

0.000

0.003

0.008

0.046

0.006

0.20

0.010

0.066

TUR: Transurethral Resection; RP: Radical Prostatectomy.

Extra-dilution rates for equal-occult blood urine samples were 1/50** v/v, 1/2* v/v, 1/10 v/v, 1/3 v/v, 1/13§ v/v, 1/6 v/v, 1/500& v/v. post-antibiotic pro., post-TUR K:Um during antibiotic prophylaxis. All patient samples were mixtures of 25 urine samples (5 patients × 5 samples). >10-fold (red) and 2–10-fold (blue) increases from the peak height of the healthy volunteer in the original urine mixture samples Ums were highlighted, as in (Table 3).