Table 2.
CMV IgG Titers and Rate of All-cause Mortality Among Subjects in the SALSA Study (N = 1,468), California, 1998–2008
| Model |
||||||||||||
| 1a |
2b |
3b |
4b |
5b |
6b |
|||||||
| HR | 95% CI | HR | 95% CI | HR | 95% CI | HR | 95% CI | HR | 95% CI | HR | 95% CI | |
| CMV antibody titers (highest quartilec) | 1.59 | 1.28, 1.98 | 1.39 | 1.11, 1.74 | 1.43 | 1.14, 1.79 | 1.28 | 1.02, 1.61 | 1.36 | 1.09, 1.70 | 1.25 | 1.00, 1.58 |
| Biomarkers | ||||||||||||
| Comorbidity indexd | 1.46 | 1.37, 1.56 | 1.39 | 1.30, 1.48 | 1.35 | 1.27, 1.45 | 1.37 | 1.29, 1.47 | 1.35 | 1.26, 1.44 | ||
| Log(TNF) | 2.47 | 2.03, 2.99 | 1.81 | 1.45, 2.26 | 1.69 | 1.34, 2.12 | ||||||
| Log(IL-6) | 1.73 | 1.50, 2.00 | 1.41 | 1.21, 1.66 | 1.33 | 1.13, 1.56 | ||||||
| Demographics (reference) | ||||||||||||
| Age | 1.10 | 1.09, 1.12 | 1.10 | 1.08, 1.11 | 1.09 | 1.07, 1.10 | 1.08 | 1.07, 1.10 | 1.08 | 1.07, 1.10 | 1.08 | 1.07, 1.09 |
| Gender (female) | 1.29 | 1.05, 1.59 | 1.42 | 1.15, 1.75 | 1.49 | 1.21, 1.85 | 1.52 | 1.23, 1.88 | 1.50 | 1.21, 1.85 | 1.52 | 1.23, 1.88 |
| Education (<high school) | 1.85 | 1.43, 2.39 | 1.49 | 1.15, 1.93 | 1.53 | 1.18, 1.98 | 1.46 | 1.12, 1.89 | 1.49 | 1.15, 1.93 | 1.44 | 1.11, 1.87 |
Abbreviations: CI, confidence interval; CMV, cytomegalovirus; HR, hazard ratio; IgG, immunoglobulin G; IL-6, interleukin 6; SALSA, Sacramento Area Latino Study on Aging; TNF, tumor necrosis factor.
Model 1: bivariate relation with mortality.
Models 2–5: include variables with hazard ratio estimates.
Reference: lower quartiles.
Includes myocardial infarction, congestive heart failure, stroke, dementia, liver/renal disease, diabetes, malignancy, and leukemia or lymphoma.