| Description | # Genes in Overlap (k) | k/K | p-value | FDR q-value |
| Purine metabolism | 43 |
| 4.12e−97 | 7.66e−95 |
| Pyrimidine metabolism | 30 |
| 1.25e−66 | 1.16e−64 |
| DNA replication | 8 |
| 1.6e−16 | 9.91e−15 |
| RNA polymerase | 6 |
| 1.88e−12 | 8.73e−11 |
| Drug metabolism—other enzymes | 6 |
| 6.96e−11 | 2.59e−9 |
| Base excision repair | 5 |
| 1.06e−9 | 3.3e−8 |
| Nucleotide excision repair | 5 |
| 3.53e−9 | 9.37e−8 |
| Huntington’s disease | 6 |
| 1.47e−7 | 3.43e−6 |
| Vascular smooth muscle contraction | 5 |
| 4.66e−7 | 9.59e−6 |
| One carbon pool by folate | 2 |
| 2.32e−4 | 4.04e−3 |