|  | Mean 3-HPMA (ng/ml) | StDev | CoV | P value (one-way Anova) |
---|---|---|---|---|---|
Sample 1 | lab1 | 36.8 | 6.1 | 16.5 | 0.186 |
 | lab2 | 31.13 | 0.7 | 2.1 |  |
 | lab3 | < LOQ | NA | NA |  |
 | lab4 | < LOQ | NA | NA |  |
Sample 2 | lab1 | 433 | 32.2 | 7.4 | 0.002 |
 | lab2 | 477.7 | 12.4 | 2.6 |  |
 | lab3 | 399 | 2.6 | 0.7 |  |
 | lab4 | 403.3 | 1.5 | 0.4 |  |
Sample 3 | lab1 | 1224 | 81.2 | 6.6 | 0.004 |
 | lab2 | 1316.7 | 40.4 | 3.1 |  |
 | lab3 | 1163.3 | 15.3 | 1.3 |  |
 | lab4 | 1100 | 36.1 | 3.3 |  |
Sample 4 | lab1 | 3614 | 105.4 | 2.9 | 0.000 |
 | lab2 | 3856.7 | 100.2 | 2.6 |  |
 | lab3 | 3420 | 50 | 1.5 |  |
 | lab4 | 3223.3 | 15.3 | 0.5 |  |
Sample 5 | lab1 | 50.1 | 11.4 | 22.8 | 0.182 |
 | lab2 | 47.1 | 1.1 | 2.4 |  |
 | lab3 | < LOQ | NA | NA |  |
 | lab4 | 35.8 | 1.1 | 3 |  |
Sample 6 | lab1 | 372.4 | 2.77 | 0.7 | 0.000 |
 | lab2 | 376 | 6 | 1.6 |  |
 | lab3 | 287.7 | 16.4 | 5.7 |  |
 | lab4 | 282.7 | 33.6 | 11.9 |  |
Sample 7 | lab1 | 890 | 62.4 | 7 | 0.000 |
 | lab2 | 848.7 | 22.7 | 2.7 |  |
 | lab3 | 669 | 54.1 | 8.1 |  |
 | lab4 | 611.3 | 51.9 | 8.5 |  |
Sample 8 | lab1 | 1082 | 39 | 3.6 | 0.000 |
 | lab2 | 1180 | 20 | 1.7 |  |
 | lab3 | 888.3 | 32.7 | 3.7 |  |
 | lab4 | 937.3 | 28.4 | 3 |  |
Sample 9 | lab1 | 1346 | 119.1 | 8.85 | 0.006 |
 | lab2 | 1383.3 | 11.5 | 0.8 |  |
 | lab3 | 1170 | 60.8 | 5.2 |  |
 | lab4 | 1041.3 | 128.5 | 12.3 |  |