Table VI.
Deming Regression of PHMA Results (Urine Samples) Arranged in Order of Increasing Pearson Correlation
| Method X | Method Y |
Pearson correlation | Slope (95% CI) |
Intercept (95% CI) |
Variance ratio |
|---|---|---|---|---|---|
| D | C | 0.994 | 0.632 (0.600, 0.675) | 0.037 (0.017, 0.043) | 0.893 |
| C | B | 0.994 | 0.580 (0.548, 0.611) | 0.064 (0.053, 0.071) | 0.957 |
| D | B | 0.992 | 0.368 (0.338, 0.399) | 0.087 (0.075, 0.093) | 0.855 |
| E | B | 0.744 | 1.28 (1.04, 1.63) | –0.176 (–0.298, –0.103) | 3.10 |
| E | C | 0.695 | 1.84 (1.51, 2.36) | –0.292 (–0.473, –0.206) | 3.24 |
| E | D | 0.691 | 2.32 (1.88, 2.98) | –0.348 (–0.532, –0.273) | 3.63 |
| A | E | 0.250 | 0.346 (–13.6, 17.8) | 0.083 (–13.6, 11.3) | 1.10 |
| A | C | 0.248 | 1.53 (–7.02, 15.7) | –0.936 (–11.5, 7.65) | 3.57 |
| A | B | 0.244 | 1.07 (0.483, 11.3) | –0.559 (–7.84, –0.148) | 3.42 |
| A | D | 0.241 | 2.04 (–8.07, 18.7) | –1.38 (–18.1, 9.52) | 4.00 |