Table 1.
Descriptive and inferential statistics or the two patient groups (PCa = Prostate Cancer, CTR = individuals with no signs of urological disease) as for the entire set of NTA derived descriptors.
| Variable | Group | Mean | Std. Dev. | p (t-test) |
|---|---|---|---|---|
|
Number (concentration,
particles/mL) |
PCa | 2.88 x 109 | 1.43 x 109 | <0.0001 |
| CTR | 1.56 x 109 | 0.57 x 109 | ||
| Mean (size, nm) | PCa | 131.4 | 21.44 | <0.0005 |
| CTR | 145.9 | 18.82 | ||
| Mode (size, nm) | PCa | 89.53 | 13.77 | <0.003 |
| CTR | 97.44 | 12.26 | ||
| D10 (size, nm) | PCa | 80.02 | 10.99 | <0.0001 |
| CTR | 88.10 | 9.09 | ||
| D50 (size, nm) | PCa | 109.8 | 19.06 | <0.0001 |
| CTR | 124.6 | 18.01 | ||
| D90 (size, nm) | PCa | 210.96 | 35.96 | 0.0081 |
| CTR | 228.57 | 30.77 | ||
| SD (size variability, nm) | PCa | 64.42 | 11.70 | NS |
| CTR | 68.05 | 10.16 |
NS, Not Significant.