Table 4.
Univariate model of covariates with hemoglobin levels.
| Variable | Odds ratio | 95% CI | P value | |
|---|---|---|---|---|
| Gender | Male | 1.47 | 0.82–2.63 | 0.189∗∗ |
| Female | — | — | — | |
|
| ||||
| Dialysis per week | Once | 0.10 | 0.01–0.81 | 0.032∗∗ |
| Twice | 0.18 | 0.22–13.9 | <0.001∗∗ | |
| Thrice | — | — | — | |
|
| ||||
| Anti-HCV antibodies | Negative | — | — | — |
| Positive | 3.68 | 2.14–6.32 | <0.001∗∗ | |
|
| ||||
| HBV surface antigen | Negative | — | — | — |
| Positive | 1.00 | X | x | |
|
| ||||
| Comorbid diseases | None | — | — | — |
| Diabetes mellitus | 1.00 | — | — | |
| Hypertension | 2.35 | 0.67–8.27 | 0.146 | |
|
| ||||
| Intact parathyroid hormone (pg/mL) | Below target levels (iPTH < 150 pg/mL) | — | — | — |
| Target levels (iPTH 150–300 pg/mL) | 0.21 | 0.03–1.77 | 0.155 | |
| Above target levels or hyperparathyroidism (iPTH > 300 pg/mL) | 1.54 | 0.31–7.54 | 0.589 | |
|
| ||||
| HBV vaccination status | Yes | 0.92 | 0.52–1.63 | 0.785 |
| No | — | — | — | |
|
| ||||
| Age categories | 18–44 years | — | — | — |
| 45 years and above | 0.41 | 0.24–0.71 | <0.001∗∗ | |
|
| ||||
| Months on hemodialysis | 1.01 | 1.00–1.02 | <0.001∗∗ | |
∗Categories are reference categories. ∗∗ = statistically significant, level of significance = 0.250.