Table 1.
Type | Glycan mass [M‐H]− | [M‐2H]2− | Structures | OC vs. PC (diagnosis) | AUC | Sensitivity/specificity | Ovary vs. peritoneum vs. omentum (tissue sampling site) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Level of significance | Feature selection | Level of significance | Feature selection | ||||||||||
P | P (adj) | GLM | RF | P | P (adj) | GLM | RF | ||||||
N‐Glycans | 2411.0 | 1205.0 | 0.001 | 0.0041 | ✓ | 0.93 | 86.7/100 | 0.001 | 0.0057 | ||||
0.95+ | 86.7/100+ | ||||||||||||
0.97GLM | 93.3/100GLM | ||||||||||||
1875.6 | 937.3 | 0.001 | 0.0107 | ✓ | ✓ | 0.89 | 86.7/92.3 | 0.01 | 0.0575 | ✓ | ✓ | ||
0.95+ | 86.7/100+ | ||||||||||||
0.97GLM | 93.3/100GLM | ||||||||||||
0.93RF | 86.7/100RF | ||||||||||||
2119.8 | 1059.4 | 0.01 | 0.0777 | 0.001 | 0.0162 | ✓ | ✓ | ||||||
1713.6 | 856.3 | 0.05 | 0.1086 | ✓ | ✓ | 0.97GLM | 93.3/100GLM | ||||||
0.93RF | 86.7/100RF | ||||||||||||
1990.8 | 994.9 | 0.05 | 0.1808 | ✓ | 0.97GLM | 93.3/100GLM | 0.05 | 0.1555 | ✓ | ✓ | |||
1479.6 | 739.3 | 0.05 | 0.2147 | ✓ | 0.93RF | 86.7/100RF | n.s. | n.s. | ✓ | ||||
2078.8 | 1038.9 | 0.05 | 0.2159 | 0.05 | 0.1895 | ✓ | |||||||
2573.0 | 1286.0 | 0.05 | 0.2850 | ||||||||||
2160.8 | 1079.9 | 0.05 | 0.3737 | ✓ | 0.93RF | 86.7/100RF | 0.05 | 0.1292 | |||||
2589.0 | 1294.0 | 0.001 | 0.0162 | ✓ | |||||||||
2298.0 | 1148.5 | 0.01 | 0.0283 | ✓ | |||||||||
1828.8 | 913.9 | 0.05 | 0.1243 | ✓ | |||||||||
1891.6 | 945.3 | 0.05 | 0.1880 | ||||||||||
2444.0 | 1221.5 | 0.05 | 0.1292 | ✓ | |||||||||
2881.0 | 1440.0 | 0.05 | 0.1785 | ||||||||||
3101.2 | 1550.1 | 0.05 | 0.1219 | ✓ | |||||||||
O‐Glycans | 749.3 | – | 0.05 | 0.1219 | ✓ | ||||||||
755.3 | – | n.s. | n.s. | ✓ | |||||||||
1040.5 | – | 0.05 | 0.1880 | ||||||||||
1331.5 | – | 0.05 | 0.1292 | ✓ |
+Combination AUC of top two glycan candidates; GLMCombination AUC of top four glycan candidates selected by GLM; RFCombination AUC of top four glycan candidates selected by RF. Legend: , Mannose (Man); , Fucose (Fuc); , Galactose (Gal); , N‐acetylneuraminic acid (Neu5Ac); , N‐acetylglucosamine (GlcNAc); , N‐acetylgalactosamine (GalNAc); S, Sulphate; Monosaccharide linkage: .