Since injured spinal cord segments yield lesser quantities of RNA, and since 10 mg of RNA was required for each Affymetrix target preparation, animals were pooled without regard to sex. The D1 segment had less cell loss due to injury and therefore provided sufficient RNA to preclude pooling. The table below lists specific animal numbers and sexes pooled.
| I Segment | |||||
| Sample | Hrs Post Injury | Group* | Number of animals | Animal codes | Sexes |
| 0 | 0 | A | 3 | 66-68 | M, M, M |
| 0A | 0 | B | 2 | 92, 94 | F, M |
| 0B | 0 | C | 2 | 93, 95 | F, M |
| 6A | 6 | A | 2 | 97, 99 | F, M |
| 6B | 6 | B | 1 | 98 | F |
| 6C | 6 | -- | 3 | 75-77 | F, F, F |
| 6D | 6 | C | 1 | 107 | M |
| 12 | 12 | A | 3 | 84-86 | M, M, M |
| 12B | 12 | B | 2 | 104, 105 | F, F |
| 12C | 12 | C | 1 | 106 | F |
| 24 | 24 | A | 3 | 69-71 | M, M, M |
| 24A | 24 | B | 2 | 100, 103 | M, F |
| 24B | 24 | C | 2 | 101, 102 | M, F |
| 48 | 48 | A | 3 | 72-74 | M, M, M |
| 48B | 48 | B | 2 | HT70, HT71 | M, M |
| 48C | 48 | C | 2 | HT58, HT59 | M, M |
| D1 Segment | |||||
| Sample | Hrs Post Injury | Group* | Number of animals | Animal codes | Sexes |
| 0A | 0 | A | 1 | 92 | F |
| 0C | 0 | B | 1 | 94 | M |
| 0D | 0 | C | 1 | 95 | M |
| 6A | 6 | A | 1 | 96 | M |
| 6B | 6 | B | 1 | 98 | F |
| 6C | 6 | C | 1 | 99 | F |
| 12A | 12 | A | 1 | 104 | F |
| 12B | 12 | B | 1 | 105 | F |
| 12C | 12 | C | 1 | 106 | F |
| 24A | 24 | A | 1 | 101 | M |
| 24B | 24 | B | 1 | 102 | F |
| 24C | 24 | C | 1 | 103 | F |
| 48A | 48 | A | 1 | HT 70 | M |
| 48B | 48 | B | 1 | HT 71 | M |
| 48C | 48 | C | 1 | HT 58 | M |
*Group letter matches downloadable data table.