Table 3 Univariate and multivariate analysis of factors associated with indeterminate QuantiFERON results in inpatients with pulmonary infiltrates
| Covariate |
Determinate (n = 200) |
indeterminate (n = 84) | Univariate | Multivariate | ||
|---|---|---|---|---|---|---|
| Odds ratio | 95% confidence interval | Odds ratio | 95% confidence interval | |||
| Age, yr | 62 ± 17.1 | 67 ± 14.5 | 1.018 | 1.001-1.035 | ||
| Lymphocytes cells/μL | 1170 ± 935 | 764 ± 451 | 0.999 | 0.998-0.999 | ||
| Lymphocytopenia* | ||||||
| Absence | 99 (49.5) | 19 (22.6) | 1.0 | 1.0 | ||
| Presence | 101 (50.5) | 65 (77.4) | 3.353 | 1.875-5.998 | 2.688 | 1.424-5.075 |
| Albumin, g/dL | 3.4 ± 0.60 | 3.0 ± 0.54 | 0.307 | 0.190-0.495 | 0.412 | 0.245-0.694 |
| ESR, mm/hr | 58.3 ± 35.88 | 67.2 ± 32.52 | 1.007 | 1.000-1.015 | ||
| CRP, mg/dL | 9.2 ± 8.43 | 15.7 ± 9.65 | 1.078 | 1.046-1.110 | 1.060 | 1.027-1.094 |