Table 1. Samples used in this study, with characteristics of the corresponding study participants.
| Sample ID | Sample pair | Sex of participant | Age of participant | Location | Histo-pathological diagnosis | Histo-pathological score | H. pylori status |
|---|---|---|---|---|---|---|---|
| MT5106 | 1 | F | 40 | Tumaco | NAG | 2.33 | Positive |
| MT2108 | 1 | F | 41 | Túquerres | MAG | 3.5 | Positive |
| MT5136 | 2 | F | 41 | Tumaco | NAG | 3 | Positive |
| MT2118 | 2 | F | 41 | Túquerres | NAG | 2.67 | Positive |
| MT5176 | 3 | M | 42 | Tumaco | NAG | 2.33 | Positive |
| MT2120 | 3 | M | 41 | Túquerres | NAG | 3 | Positive |
| MT5139 | 4 | F | 43 | Tumaco | NAG | 1 | Positive |
| MT2131 | 4 | F | 41 | Túquerres | MAG | 3.5 | Positive |
| MT5117 | 5 | F | 44 | Tumaco | MAG | 3.75 | Positive |
| MT2133 | 5 | F | 42 | Túquerres | MAG | 3.75 | Positive |
| MT5124 | 6 | F | 46 | Tumaco | MAG | 3.5 | Positive |
| MT2124 | 6 | F | 43 | Túquerres | NAG | 2.67 | Positive |
| MT5135 | 7 | M | 45 | Tumaco | MAG | 3.5 | Positive |
| MT2130 | 7 | M | 46 | Túquerres | NAG | 2.67 | Positive |
| MT5101 | 8 | F | 47 | Tumaco | NAG | 2.33 | Positive |
| MT2102 | 8 | F | 44 | Túquerres | MAG | 3.5 | Positive |
| MT5105 | 9 | F | 47 | Tumaco | MAG | 3.5 | Positive |
| MT2122 | 9 | F | 45 | Túquerres | NAG | 3 | Positive |
| MT5119 | 10 | F | 48 | Tumaco | MAG | 3.5 | Positive |
| MT2115 | 10 | F | 50 | Túquerres | NAG | 2.33 | Positive |
| MT5120 | 11 | F | 48 | Tumaco | NAG | 2.67 | Positive |
| MT2127 | 11 | F | 50 | Túquerres | MAG | 4 | Positive |
| MT5111 | 12 | M | 50 | Tumaco | MAG | 3.5 | Positive |
| MT2156 | 12 | M | 50 | Túquerres | NAG | 2.33 | Positive |
| MT5126 | 13 | M | 51 | Tumaco | NAG | 3 | Positive |
| MT2136 | 13 | M | 52 | Túquerres | NAG | 2.33 | Positive |
| MT5116 | 14 | F | 51 | Tumaco | NAG | 2.33 | Positive |
| MT2129 | 14 | F | 51 | Túquerres | NAG | 2 | Positive |
| MT5155 | 15 | M | 52 | Tumaco | NAG | 2 | Positive |
| MT2160 | 15 | M | 52 | Túquerres | MAG | 3.75 | Positive |
| MT5174 | 16 | M | 52 | Tumaco | MAG-IM | 4.8 | Negative |
| MT2113 | 16 | M | 52 | Túquerres | NAG | 1.67 | Positive |
| MT5107 | 17 | F | 55 | Tumaco | NAG | 2.67 | Positive |
| MT2114 | 17 | F | 55 | Túquerres | MAG-IM | 4.6 | Positive |
| MT5114 | 18 | M | 56 | Tumaco | MAG | 3.75 | Positive |
| MT2109 | 18 | M | 57 | Túquerres | MAG-IM | 4.4 | Positive |
| MT5113 | 19 | M | 59 | Tumaco | NAG | 2.67 | Positive |
| MT2112 | 19 | M | 57 | Túquerres | MAG | 3.5 | Positive |
| MT5131 | 20 | F | 59 | Tumaco | NAG | 2.67 | Positive |
| MT2106 | 20 | F | 60 | Túquerres | MAG | 3.5 | Positive |
NAG, non-atrophic gastritis; MAG, multifocal atrophic gastritis without intestinal metaplasia; MAG-IM: multifocal atrophic gastritis with intestinal metaplasia. H. pylori status according to Steiner stain.