Table I.
Association between the expression of m/z12138 and m/z13462 peaks and clinical characteristics.
| m/z12138 | m/z13462 | ||||
|---|---|---|---|---|---|
| Variables | n | Intensity (x±s) | P-value | Intensity (x±s) | P-value |
| Tissue type | <0.001 | <0.001 | |||
| TT | 40 | 1,437.8±997.3 | 0.031a | 1,730.4±1,147.8 | 0.019a |
| AT | 35 | 952.6±591.2 | <0.001b | 1,031.1±1,120.8 | <0.001b |
| NT | 25 | 315.4±296.5 | <0.001c | 114.7±118.9 | <0.001c |
| Genderd | 0.496 | 0.677 | |||
| Male | 23 | 1,339.3±773.0 | 1,796.7±1,063.9 | ||
| Female | 17 | 1,571.1±1,214.0 | 1,640.7±1,280.6 | ||
| Age, years | 0.610 | 0.655 | |||
| <2.5 | 20 | 1,518.0±821.2 | 1,813.0±1,310.1 | ||
| ≥2.5 | 20 | 1,357.6±1,128.1 | 1,647.8±986.6 | ||
| Clinical stage | <0.001 | <0.001 | |||
| I | 6 | 678.8±189.0 | 746.2±238.7 | ||
| II | 12 | 664.0±202.0 | 1,180.7±404.9 | ||
| III | 13 | 1,524.7±407.9 | 2,160.4±1,252.3 | ||
| IV | 9 | 2,850.2±861.2 | 2,498.4±1,290.5 | ||
| Pathological type | <0.001 | <0.001 | |||
| FH | 33 | 1,152.3±735.5 | 1,281.0±630.6 | ||
| UH | 7 | 2,783.9±872.4 | 3,848.8±310.2 | ||
| Lymph node metastasis | <0.001 | <0.001 | |||
| N | 23 | 869.2±474.6 | 1,110.2±433.6 | ||
| Y | 17 | 2,207.1±961.7 | 2,569.5±1,285.2 | ||
| Vascular invasion | <0.001 | 0.021 | |||
| N | 31 | 1,027.8±521.3 | 1,507.5±1,019.9 | ||
| Y | 9 | 2,850.2±861.2 | 2,498.4±1,290.5 | ||
a
TT vs. AT
b
TT vs. NT
c
AT vs. NT
d
variables associated with TT. Students t-test in comparison between two groups. Kruskal-Wallis test in comparison among multiple groups. Tamhanes T2 test in pairwise comparison among multiple groups. Test standard α=0.05. TT, tumor tissue; AT, adjacent tissue (1 cm from tumor edge); NT, normal tissue (5 cm from tumor edge); FH, favorable histology; UH, unfavorable histology; N, no; Y, yes.