Allele frequencies in the interferon-gamma microsatellite marker
| Amplicon size (bp) | IFN-γ (CA)n* | Controls | PM | DM | Overlap | Overall |
|---|---|---|---|---|---|---|
| 2n = 316 | 2n = 186 | 2n = 178 | 2n = 136 | 2n = 500 | ||
| bp, base pairs; DM, dermatomyositis; IFN-γ, interferon-gamma; PM, polymyositis. | ||||||
| *n represents the (CA) dinucleotide repeat number. | ||||||
| †Overlap versus controls, OR 4.5 (1.7–12.1), puncorr = 0.005, pcorr = 0.03. | ||||||
| ‡Comparison of distribution of alleles between cases and controls using Fisher’s exact test. | ||||||
| 122 | 11 | 0 | 0.5 | 0 | 0 | 0.2 |
| 124 | 12 | 49.7 | 49.5 | 47.2 | 43.4 | 47.0 |
| 126 | 13 | 45.2 | 40.3 | 44.4 | 44.8 | 43.0 |
| 128 | 14† | 1.9 | 5.4 | 5.0 | 8.1 | 6.0 |
| 130 | 15 | 2.9 | 3.8 | 3.4 | 3.7 | 3.6 |
| 132 | 16 | 0.3 | 0.5 | 0 | 0 | 0.2 |
| p‡ | 0.1 | 0.3 | 0.02 | 0.05 | ||