Table 2.
Statistical comparison of two data sets on cDNA concentration determined by reflectance DNA biosensor and RT-PCR reference method by using paired t-test at 4 degrees of freedom and 95% confidence level.
| Sample Type | Sample Code | cDNA Concentration Determined by Sandwich-Type DNA Micro-Optode (µM) | cDNA Concentration Determined by RT-PCR (µM) | t-Test |
|---|---|---|---|---|
| P1B | 7.5 ± 0.424 | 7.5 ± 0.109 | ||
| Blood | P2B | 3.8 ± 0.937 | 3.4 ± 0.174 | 2.664 |
| P3B | 5.3 ± 1.381 | 5.3 ± 0.226 | ||
| P1U | 4.9 ± 1.024 | 4.9 ± 0.339 | ||
| Urine | P2U | 5.4 ± 1.446 | 5.3 ± 0.283 | 0.582 |
| P3U | 2.3 ± 1.232 | 2.4 ± 0.073 | ||
| P1S | 4.8 ± 1.206 | 4.8 ± 1.659 | ||
| Saliva | P2S | 3.4 ± 0.975 | 3.4 ± 0.248 | 0.407 |
| P3S | 1.9 ± 2.101 | 1.9 ± 0.319 |
* t4 = 2.776 (p = 0.05).