Table 2.
Concentrations of nine polyamines in serum samples from pre- and post-operative patients with colorectal cancer (ng/mL).
| Compound | Pre-Operative Patients (n = 68) | Post-Operative Patients (n = 68) | p-Value | ||
|---|---|---|---|---|---|
| Mean ± SD | Median, Range | Mean ± SD | Median, Range | ||
| N-PUT | 157.49 ± 82.84 | 137.38, 34.62–368.14 | 154.86 ± 76.96 | 131.01, 43.88–346.82 | 0.858 |
| N-CAD | 28.41 ± 12.97 | 26.38, 8.88–82.7 | 28.47 ± 15.27 | 23.62, 9.02–63.32 | 0.981 |
| DAP | 14.62 ± 10 | 12.24, 2.53–47.05 | 15 ± 12.16 | 11.21, 2.55–46.28 | 0.858 |
| PUT | 28.45 ± 16.4 | 30.22, 2.29–63.93 | 18.18 ± 11.67 | 15.63, 4.76–80.91 | 4.97−05 |
| CAD | 245.37 ± 304.23 | 28.21, 11.4–803.81 | 210.92 ± 193.49 | 200.65, 5.94–665.98 | 0.482 |
| N-SPD | 58.08 ± 20.65 | 53.61, 27.38–137.7 | 64.93 ± 18.44 | 67.43, 19.22–97.34 | 0.166 |
| SPD | 111.11 ± 78.11 | 98.5, 4.61–457.76 | 95.72 ± 78.62 | 64.23, 13.44–326.68 | 0.274 |
| N-SPM | 139.7 ± 98.81 | 120.77, 13.87–426.94 | 109.82 ± 83.62 | 72.08, 18.75–353.23 | 0.107 |
| SPM | 1040.28 ± 1040.5 | 669.95, 10.89–3764.49 | 849.93 ± 843.35 | 709.89, 9.8–3683.69 | 0.262 |
N-PUT, N-acetyl putrescine; N-CAD, N-acetyl cadaverine; DAP, 1,3-diaminopropane; PUT, putrescine; CAD, cadaverine; SD, standard deviation; N-SPD, N-acetyl spermidine; SPD, spermidine; N-SPM, N-acetyl spermine; SPM, spermine.