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Table 2 All urinary 3-HPMA data in ng/ml

From: An inter-laboratory comparison of urinary 3-hydroxypropylmercapturic acid measurement demonstrates good reproducibility between laboratories

   

3-HPMA (ng/ml)

Samples

Lab1

Lab2

Lab3

Lab4

1

a

pooled NSa urine

40.6

31.9

< LOQb

< LOQ

 

b

pooled NS urine

29.8

30.8

< LOQ

< LOQ

 

c

pooled NS urine

40.0

30.7

< LOQ

< LOQ

2

a

fortified NS urine

466

492

396

405

 

b

fortified NS urine

402

470

400

403

 

c

fortified NS urine

431

471

401

402

3

a

fortified NS urine

1302

1340

1180

1070

 

b

fortified NS urine

1230

1270

1160

1140

 

c

fortified NS urine

1140

1340

1150

1090

4

a

fortified NS urine

3624

3780

3470

3220

 

b

fortified NS urine

3714

3820

3420

3210

 

c

fortified NS urine

3504

3970

3370

3240

5

a

NS urine

39.8

48.3

< LOQ

< LOQ

 

b

NS urine

48.2

46.1

< LOQ

36.6

 

c

NS urine

62.4

46.9

< LOQ

35.1

6

a

smoker urine

371

376

269

321

 

b

smoker urine

376

382

294

269

 

c

smoker urine

371

370

300

258

7

a

smoker urine

870

842

613

556

 

b

smoker urine

960

874

673

659

 

c

smoker urine

840

830

721

619

8

a

smoker urine

1080

1200

862

969

 

b

smoker urine

1122

1160

925

914

 

c

smoker urine

1044

1180

878

929

9

a

smoker urine

1482

1390

1200

1100

 

b

smoker urine

1296

1370

1210

1130

 

c

smoker urine

1260

1390

1100

894

  1. Samples are numbered from 1 to 9. Samples 1 non-smoker urine, samples 2-4 = fortified samples, and samples 5-9 = authentic urine samples. Each sample was aliquoted in triplicates labeled a, b, and c.
  2. aNS: non smokers
  3. b< LOQ: below limit of quantification