Table 4.
Cluster and Alignment Analysis for STACK Index v. 2.0
| Orientation of index data | Singletons | Tissue-specific clusters | Tissue-specific clusters (%) | Multitissue clusters | Multitissue clusters (%) | Total multitissue clusters | Total clusters |
| 3′ | 36,184 | 13,962 | 19 | 22,513 | 31 | 36,475 | 72,659 |
| 5′ | 56,583 | 15,672 | 19 | 10,566 | 13 | 26,238 | 82,821 |
| End not specified | 29,251 | 5,483 | 16 | 640 | 2 | 6,123 | 35,364 |
| Totals | 122,018 | 35,117 | 18 | 33,719 | 18 | 68,846 | 190,854 |











