Table IV.
Univariate and multivariate Cox proportional hazards regression models for survival from diagnosis of stage IV disease, incorporating the presence of autoimmune DQA1 alleles and solitary copies of the genes for C4A or C4B
| Univariate Model |
Multivariate Model |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | n | HR | 95% LL | 95% UL | p-value | HR | 95% LL | 95% UL | p-value |
| DQA1 alleles: both autoimmune | |||||||||
| No | 46 | 1.00 | 1.00 | ||||||
| Yes | 15 | 0.440 | 0.205 | 0.944 | 0.035 | 0.591 | 0.267 | 1.309 | 0.19 |
| Solitary copy of C4A or C4B | |||||||||
| No | 34 | 1.00 | 1.00 | ||||||
| Yes | 27 | 0.373 | 0.205 | 0.681 | 0.0013 | 0.428 | 0.229 | 0.800 | 0.0078 |
Abbreviations: HR, hazard ratio; 95% LL, lower limit of the 95% confidence interval; 95% UL, upper limit of the 95% confidence interval